66- The KT Extinction
Biopedia17 Sep 2023

66- The KT Extinction

It's episode 66, so I thought I'd cover a big event from 66 million years ago- the death of the dinosaurs! But it's not all doom and gloom- we will also take a look at how to prevent asteroid impacts in future.


Sources for this episode:

  • Bottke, W. F., Vokrouhlický, D. and Nesvorný, D. (2007), An asteroid breakup 160 Mya as the probable sources of the K/T impactor. Nature 449: 48-53.
  • Brusatte, S. (2018), The Rise and Fall of the Dinosaurs: The Untold Story of a Lost World. London: Picador.
  • Chapman, C. R. (2004), The hazard of near-Earth asteroid impacts on earth. Earth and Planetary Science Letters 222: 1-15.
  • Chapman, C. R. and Morrison, D. (1994), Impacts on the Earth by asteroids and comets: assessing the hazard. Nature 367: 33-40.
  • Cohen, K. M., Finney, S. C., Gibbard, P. L. and Fan, J.-X. (2013, updated), The ICS International Chronostratigraphy Chart. Episodes 36: 199-204.
  • Dodson, P. (1990), Counting dinosaurs: how many kinds were there? Proceedings of the National Academy of Sciences of the United States of America 87(19): 7608- 7612.
  • The Editors, Encyclopedia Britannica (2023), sublimation (online) [Accessed 29/07/2023].
  • Ostrom, J. H. and Padian, K., Encyclopedia Britannica (2023), dinosaur (online) [Accessed 14/07/2023].
  • Pope, K. O., Baines, K. H., Ocampo, A. C. and Ivanov, B. A. (1994), Impact winter and the Cretaceous/Tertiary extinctions: Results of a Chicxulub asteroid impact model. Earth and Planetary Science Letters 128: 719- 725.
  • Schulte, P., Alegret, L., Arenillas, I., Arz, J. A., Barton, P. J., Brown, P. R., Barlower, T. J., Christeson, G. L., Claeys, P., Cockell, C. S., Collins, G. S., Deutsch, A., Goldin, T. J., Goto, K., Grajales Nishmura, J. M., Grieve, R. A. F., Gulick. S. P. S., Johnson, K. R., Kiessling, W., Koeberl, C., Kring, D. A., MacLeod, K. G., Matsui, T., Melosh, J., Montanari, A., Morgan, J. V., Neal, C. R., Nichols, D. J., Norrison, R. D., Pierazzo, E., Ravizza, G., Rebolledo-Vieyra, M., Reimold, W. U., Robin, E., Salge, T., Speijer, R. P., Sweet, A. R., Urrutia-Fucugauchi, J., Vajida, V., Whalen, M. T. and Willumsen, P. S. (2010), The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Palaeogene Boundary. Science 327(5970): 1214- 1218.
  • Starrfelt, J. and Liow, L. H. (2016), How many dinosaur species were there? Fossil bias and true richness estimated using a Poisson sampling model. Philosophical Transactions of the Royal Society B: Biological Sciences 371(1691): 20150219.
  • Yousuf, I., Encyclopedia Britannica (2023), Empire State Building (online) [Accessed 27/07/2023].

Denne episoden er hentet fra en åpen RSS-feed og er ikke publisert av Podme. Den kan derfor inneholde annonser.

Episoder(151)

128- Can Dolphins Detect Pregnancy?

128- Can Dolphins Detect Pregnancy?

Following another request, today we examine whether it is possible for dolphins- using their ultrasonic communication- to detect human pregnancy. The answer might be more ambiguous than you think...So...

2 Aug 4min

Announcement- I've written a book!

Announcement- I've written a book!

Vince here- I've written a historical fiction book set in Constantinople in 1081! Well, kind of. The first draft of the manuscript is complete at about 59,000 words across 34 chapters. I am planning t...

31 Jul 5min

127- Life Expectancy of Hobbits

127- Life Expectancy of Hobbits

A bit of a silly topic today. What is the average life expectancy of hobbits in J. R. R. Tolkien's legendarium? Along the way, we will learn something about current and historic human life expectancy....

19 Jul 3min

126- Moles

126- Moles

As requested by listener GT, we are going to talk all about moles today! Join us for the evolutionary history of the Talpidae family, English prophecies about moles, how much a mole head is worth in 2...

5 Jul 10min

125- Pollinator Decline Debate Part II: A Dissenting Voice

125- Pollinator Decline Debate Part II: A Dissenting Voice

Last week we introduced some discussion on bee/pollinator declines. This week, we will discuss a perspective by Jaboury Ghazoul- a professor at ETH Zurich- who argued in a 2005 paper that labelling a ...

10 Mai 3min

124- Pollinator Decline Debate Part I: Non-Bee Pollinators

124- Pollinator Decline Debate Part I: Non-Bee Pollinators

Once again adapting a blog post into an episode, we are going to be examining a paper from 2016 which gives a potential new perspective on bee/pollinator declines. It argues that the contribution of n...

26 Apr 2min

123- Calculating Inbreeding Coefficient

123- Calculating Inbreeding Coefficient

There is a number we use in genetics to represent how inbred a particular individual- e.g.: Charles II of Spain, Ptolemy XIII or Danaerys Targaryen- is. On today's episode, thanks to guidance from a b...

12 Apr 8min

122- How to Build a Phylogenetic Tree

122- How to Build a Phylogenetic Tree

The term phylogenetic tree often gets bandied about, but how exactly do you construct one? Using three exemplar snake species and the differences in amino acid sequences in a common protein, let's bui...

29 Mar 4min

Populært innen Vitenskap

fastlegen
tingenes-tilstand
abels-tarn
liberal-halvtime
romkapsel
jss
rekommandert
vett-og-vitenskap-med-gaute-einevoll
sinnsyn
dekodet-2
villmarksliv
fjellsportpodden
rss-rekommandert
tomprat-med-gunnar-tjomlid
rss-inn-til-kjernen-med-sunniva-rose
rss-nysgjerrige-norge
rss-overskuddsliv
diagnose
abid-nadia-skyld-og-skam
forskningno