Bedste Universe Talks-podcasts (2024)

1
[Best of August Krogh] The legacy of the man who founded Novo Nordisk : 29:57

1h ago29:57

29:57

The year 2020 marked the centenary of August Krogh's Nobel Prize in physiology. August Krogh received the award for showing how oxygen is transported from the lungs through the blood into the small capillaries in the muscles. Details of the mechanism and how it is regulated are still a central topic of research a hundred years after and understandi…

1
Episode 47 - Jul i Sci-fi: Supernovaer, robotjulemænd og juleeventyr i en... 29:26

3d ago29:26

29:26

Er julen kun for jordboere? Det spørger du nok dig selv sjældent om. Men i denne særlige juleepisode af IDA Space Talks dykker vi ned i, hvordan julen bliver fejret i sci-fi universer. Fra Ray Bradburys og Arthur C Clarks julefortællinger til Star Wars og Doctor Who – og ikke mindst den uforglemmelige kultklassiker Santa Claus Conquers the Martians…

1
Talk on mitochondria 42:16

13h ago42:16

42:16

Mitochondria are called the powerhouse of the cells. They convert nutrients into energy, and they may hold the key to reverse aging and cure a large number of diseases. This is why exercise is important. But, can science one day come up with a pill that can reverse the aging of mitochondria? How close are we to solve this fundamental discovery? Pro…

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Evolution of the brain 27:15

16d ago27:15

27:15

What can vi learn from sponges or other primitive animals who have no brain. at all? What are the advantage of spending a lot of energy on maintaining a brain and what can the study of animals with none or very primitive brains teach us about evolution of complex animals with large brains. Professor Dr. Detlev Arendt is explaining to science journa…

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Episode 46 - Asteroider og planetforsvar: Hvad gør vi? 39:55

4h ago39:55

39:55

Hvad gør vi, hvis en kæmpe asteroide er på vej mod Jorden? Og kan vi virkelig skubbe den ud af sin bane? Og hvordan forbereder vi os på, at en 340 meter bred asteroide – tættere på end nogle af vores satellitter – passerer Jorden i 2029? I denne episode af IDA Space Talks besøger jeg DTU Space og taler med astrofysiker Line Drube, som ved alt om be…

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Shape, texture and flexibility are important for understanding your body 20:36

22h ago20:36

20:36

Researchers at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, are taking the understanding of cell biology to a new level. Research group leader Alba Diz-Muñoz explains how texture, form and flexibility can make a big difference in your body's reaction to stress. It is not all hormone signals, DNA and biochemistry which de…

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Algorithms and the patterns of life 19:00

18d ago19:00

19:00

Science Stories is visiting the European Molecular Biology Laboratory (EMBL) in Heidelberg and ask some of the leading researchers about their work. This week science journalist Jens Degett interviews Dr Anna Kreshuk about how she and her research group is working with algorithms and image analysis to understand fundamentally how life works from th…

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Particle physics moving faster than ever 29:17

1M ago29:17

29:17

The LHC is the biggest and most powerful particle accelerator in the World. Senior researcher Troels Petersen from the Niels Bohr Institute in Copenhagen is explaning what is going on in Geneva and why the accelerator is producing more results than ever. Science journalist Jens Degett is interviewing Troels Petersen. This podcast is supported by a …

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On the creation of life 2 1:02:11

27d ago1:02:11

1:02:11

Experts from all over the world met four days during the Summer 2024 invited by the Niels Bohr Institute to discuss the available knowledge on the theme: Are we a Unique Species on a Unique Planet? - or are we just the ordinary Galactic standard? A selection of recognised scientist gave their best bid on: - Life on Exoplanets? - Disks and pre-biolo…

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Episode 45 - Hurtigere end lyset 39:41

22d ago39:41

39:41

Vi har altid hørt, at intet kan bevæge sig hurtigere end lyset – men hvad nu hvis universet har et par tricks i ærmet? I denne episode tager jeg en snak med Peter Laursen fra Cosmic Dawn Center på Niels Bohr Instituttet, der er på hjemmebane, når vi udfordrer fysikkens hastighedsgrænser. Kan rummets udvidelse løbe fra lyset? Kan vi finde smutveje g…

1
On the creation of life 1 1:02:46

28d ago1:02:46

1:02:46

Experts from all over the world met four days during the Summer 2024 invited by the Niels Bohr Institute to discuss the available knowledge on the theme: Are we a Unique Species on a Unique Planet? - or are we just the ordinary Galactic standard? A selection of recognised scientist gave their best bid on: - Life on Exoplanets? - Disks and pre-biolo…

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[Best of] Circadian Rhythms 23:38

2M ago23:38

23:38

All organisms from fruit flies to humans share the same mechanism for controlling the day and night rhythms also called the circadian rhythms. This mechanism is considered fundamental to all advanced life forms, and it has a surprising feature. It binds us genetically to live on earth. Michael Rosbash received the Nobel Prize in Medicine in 2017 fo…

1
IceCube may reveal structure of the universe 24:07

2M ago24:07

24:07

You may have heard about about space telescopes and gravitational wave detectors which are new instruments for the investigation of space and the universe. Now a new instrument is being tested underneath the South Pole. It literally consists of a cubic kilometer large ice cube with detectors that can catch small light emissions from a long distance…

1
Mars research update 2024 29:09

2M ago29:09

29:09

Several research groups all over the world are working intensively around the clock driving rowers around and making experiments on Mars. A lot is happening, and we are learning a lot every day. Senior researcher Morten Bo Madsen from the Niels Bohr Institute at University of Copenhagen explains to science Journalist Jens Degett some of the latest …

1
Physics in a biological world 36:09

2M ago36:09

36:09

Life has existed and evolved on earth for almost 4 billion years. Living organisms copy themselves from other life and central for all known life forms is the genetic code. We are used to hear life described by biologists. but physicists have access to tools which can give a different and to some extend deeper understanding of life. Science Journal…

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Episode 44 - Parsecs, Præcisionskosmologi og universets acceleration 46:02

3M ago46:02

46:02

Hvor mange parsecs du har bevæget dig i dag? Og hvordan ved vi at galakser bevæger sig væk fra os? Hvad er Hubble-konstanten, og hvorfor er den så vigtig for kosmologien? Vi tager på en rejse ud i universets ekspansion, hvor vi sammen med dagens gæst, Peter Laursen fra Cosmic Dawn Center på Niels Bohr Instituttet, forsøger at forstå acceleration og…

1
Deadly virus reveals its secret 26:35

2M ago26:35

26:35

About fifty million individuals worldwide are affected by chronic hepatitis C virus. It has been one of the most expensive virus infections to treat, and it is an ongoing threat to global health. Now the virus has revealed a secret to a group of researchers in Denmark after five years of intensive work. Link to article in Nature: Link to article in…

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Phages regulate bacteria growth on Earth 27:11

3M ago27:11

27:11

Today’s story is a good example of how little we know about biology and life, and how we can use our knowledge to better fight diseases and environmental threats. We are going to talk about bacteriophages or just fages. These are small viruses which attack bacteria. The story is literally about life and death and most organisms on earth are being k…

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[Best of] From the Dark ages to life 46:16

2M ago46:16

46:16

With new astronomical instruments and new knowledge of fundamental physics our understanding of the universe is developing fast. The new understanding of the universe from its Dark Ages, after the Big Bang, to the current acceleration with planets, stars, galaxies and life raises a lot of questions. In this podcast, Science Journalist Jens Degett i…

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Episode 43 - Danmarks Astronomiske Stjerne 35:30

3M ago35:30

35:30

Dette er den ultimative episode om Ole Rømer! Vi har talt meget om Ole Rømer i flere afsnit. Jeg ved det. Men der er så mange fascinerende aspekter af denne store danske astronom, som vi endnu ikke har udforsket. Så denne gang dykker vi ned i de mindre kendte opdagelser, der gjorde Rømer til en skikkelse af international betydning, og ser nærmere p…

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Besparelser på uddannelse og forskning koster dyrt 35:28

3M ago35:28

35:28

Gennem nogen tid har man kunnet høre politikere og meningsdannere tale om at skære ned på uddannelserne, gøre dem kortere og udhule indholdet, så man ikke behøver at kunne så meget. Antallet af studerende skal skæres ned, og det skal være sværere for mange at komme ind på den uddannelse de ønsker sig. Forskerne klager samtidig over at forskningsmid…

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Superstrings and string theory 45:54

4M ago45:54

45:54

Superstrings was a very popular topic among physicists in the 1980ies. They had a renaissance in 1995 but then the researchers changed focus to other things. Now superstrings have gained new momentum in physics again. Professor Niels Obers from the Niels Bohr Institute explains what superstrings and string theory is. He also explains why superstrin…

1
Episode 42 - Fra Hobbyraketter til SpaceX - sådan virker raketmotorer 43:00

3M ago43:00

43:00

Vi har alle set de imponerende raketopsendelser fra SpaceX og de kraftfulde Raptor-motorer på Falcon Heavy. Men hvad sker der egentlig i motorummet? Hvordan skaber de den enorme kraft, der får raketter til at bryde tyngdekraften? Og hvad er forskellen egentlig på de små modelraketter, man kan bygge derhjemme, og de gigantiske rumfartøjer, der sende…

1
Findes der liv andre steder i universet? 52:05

3M ago52:05

52:05

Midt i sommerferien 2024 afholdt Centre for Exolife Sciences på Københavns Universitet en konference om liv i universet. Konferencen havde været under forberedelse i fire år og omfattede 100 af de førende eksperter i exoplanetarisk liv. Med andre ord - Findes der liv uden for den jordklode vi lever på? Et tidligere interview med to af deltagerne af…

1
[Best of] Danske satellitsystemer udforsker solsystemet 29:58

3M ago29:58

29:58

Senioringeniør Hans Jensen fra Terma fortæller om hvordan den danske elektronik-virksomhed Terma kom med i det internationale rumkapløb tilbage i 1960erne og nu leverer elektronik til nogle af de mest spektakulære missioner i rummet nogensinde. Der er tale om en helt række af missioner, hvor dansk elektronik har spillet en afgørende rolle for meget…

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Exoplanetary life conference 2024 26:12

3M ago26:12

26:12

Center for Exolife Sciences at the Niels Bohr Institute at University of Copenhagen organised this week a conference under the theme "Are we a unique species on a unique planet or are we just the ordinary standard?" During four days 100 researchers were discussing how we interpret signs of life outside our planet. In this podcast science journalist…

1
Stjerne med rigelige mængder kulbrinte kan være første tegn på liv 30:02

4M ago30:02

30:02

Stjerne med rigelige mængder kulbrinte kan være første tegn på liv For nylig var det amerikanske tidsskrift Science ude med en artikel om store mængder kulbrinter omkring skive-dannelsen ved en meget lille stjerne. For at forstå hvorfor det er vigtigt, er videnskabsjournalist Jens Degett taget ind på Niels Bohr Instituttet hvor han taler med Profes…

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Episode 41 - Lad der blive lys! 31:46

5M ago31:46

31:46

Det hurtigste, der findes, er lysets hastighed i vakuum – omkring 300.000 kilometer per sekund. Men hvad betyder denne svimlende hastighed for os, og hvordan opdagede vi den egentlig? Og hvilken indflydelse har denne viden haft på vores forståelse af universet? Alt dette svarer Astronom Lars Occhionero fra Kroppedal Museum veloplagt på. Lars tager …

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[Best of]The Great Auk 21:56

4M ago21:56

21:56

This is a story of human ignorance, arrogance, stupidity and greed. If we do not learn from this history, we are just as doomed among the species on Earth as the Great Auk. The Great Auk was once a very common bird in the northern hemisphere. The bird could not fly, it was clumsy on land and was easy to catch for sailors and people who used their f…

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[Best of]Big Bang Challenged by Conformal Cyclic Cosmology 56:01

4M ago56:01

56:01

We are used to think about the universe as a structure which started with a Big Bang and then expanded. Sir Roger Penrose, who received the 2020 Nobel Prize in Physics, has developed an alternative theory of the universe based on Einstein’s Theory of General Relativity which is called "Conformal Cyclic Cosmology". In this new model we don’t have on…

1
Kristian von Hornsleth 47:43

4M ago47:43

47:43

Kristian von Hornsleth gæster os på det nyeste afsnit af “The Life After”. Og vi går på opdagelse i det, at være den skæve person i en firkantet virkelighed. Modet ved at udfordre status quo, den mørke side der ligger i os alle og lyset som viser vejen frem. På trods af, at det er Ulrik der er vært, så tager Kristian en fantastisk styring af vores …

1
[Best of] The Anthropic Principle 48:19

4M ago48:19

48:19

When someone begins to study the evolution of the universe and the laws of physics, one easily comes to wonder how strange it is that humans and life exist, and that we are able to observe the universe. If the laws and constants of nature were just a little bit different, the occurrence of life would be unthinkable. However, we can state that we ar…

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Episode 40 - Fra Merkur til Pluto - er der liv i solsystemet? 39:30

5M ago39:30

39:30

Et af livets grundlæggende mysterier er om vi er alene i universet. I denne episode skal vi med astrofysiker Christina Toldbo fra Rundertaarns observatorium, på en spændende rejse gennem vores solsystem i jagten på liv og livets byggesten. Vi starter tæt på solen og arbejder os gradvist udad, fra de brændende hede kloder til de frosne yderkanter af…

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[Best of] Entanglement 45:54

5M ago45:54

45:54

Entanglement is here to stay. The Nobel Prize in Physics 2022, shared between Alain Aspect, John F. Clauser and Anton Zeilinger, underlines the importance and the recognition of quantum physics and its strange properties. In particular, entanglement is expected to impact our everyday life very soon. But from proof of concept to practical applicatio…

1
To millioner år gammelt DNA skal sikre fremtidens fødevareproduktion 27:50

6M ago27:50

27:50

Professor Eske Willerslev fra Globe Institute på Københavns Universitet har fået en bevilling på 500 millioner kr. fra Novo Nordisk Fonden og 85 millioner kr. fra Wellcome Trust. I en samtale med videnskabsjournalist Jens Degett forklarer Eske Willerslev hvordan DNA har særlige egenskaber som gør det muligt at bevare intakte stumper af op til 2 mil…

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Episode 39 - Terraforming af Mars 27:12

6M ago27:12

27:12

Terraforming er processen med at ændre en planets atmosfære, temperatur og økosystem for at gøre den mere beboelig for mennesker. Men kan det overhovedet lade sig gøre? Og i så fald hvad kræver det? inden for en kort årrække flyver det første bemandede rumskib afsted til Mars. Men kan vi terraforme Mars og gøre den beboelig? I denne episode skal du…

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[Best of] Den Spanske Syge 32:56

6M ago32:56

32:56

For 4 et halvt år siden i januar 2020 lavede jeg en podcast med professor Lone Simonsen fra Roskilde Universitet om Den Spanske Syge. Jeg tænkte, at selv om det var 100 år siden Den Spanske Syge, som skyldtes en influenzavirus, slog mere end 50 millioner mennesker ihjel, så var der stadig en risiko for at helt en ny pandemi kunne blive et problem f…

1
Space rocks in Copenhagen 27:38

6M ago27:38

27:38

Space rocks from all over the world, including pristine material which has been collected directly from asteroids in our solar system. is being analysed in Copenhagen by Professor Martin Bizzarro. He is Director of Center for Star and Planet Formation at University of Copenhagen and explains what we can learn from the material collected in space co…

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Episode 38 - Rumgeometri, Euklid og en udsplattet donut 39:02

6M ago39:02

39:02

300 år fvt. gik grækeren Euklid rundt i sin have og tænkte i trekanter og vinkler. Og det vil helt sikkert glæde ham, at hans principper - her 1700 år efter - stadig er i brug, når man udforsker rummet. Det handler naturligvis om rumgeometri. Peter Laursen fra Cosmic Dawn Center er i sit es og har medbragt en appelsin, pringle chips, en jordskok og…

1
Gravitational waves 50:43

7M ago50:43

50:43

Gravitational waves is a strange phenomena which was predicted already by Albert Einstein. To understand gravitational waves you need to understand gravitation. In this podcast professor Niels Obers describe gravitation in Newtonian terms and in the frame of Einstein's general theory of relativity. Both descriptions are incomplete but due to resear…

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