Podcast: Rocky remnants of early Earth, plants turned predator, and a new artificial second skin

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3 • 842 Ratings

🗓️ 12 May 2016

⏱️ 22 minutes

🔗️ Recording | iTunes | RSS

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Summary

Online News Editor Catherine Matacic shares stories how the Venus flytrap turned to the meat-eating side, a new clingy polymer film that shrinks up eye bags, and survey results on who pirates scientific papers and why. Hanika Rizo joins Julia Rosen to discuss evidence that parts of Earth have remained unchanged since the planet formed. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	Introducing Peak Scientific. With over 25 years of expertise, Peak leads the industry in providing
0:06.8	reliable, high purity gas generators for LCMS and GCMS. Whether you're in the lab conducting
0:13.2	groundbreaking research or pushing the boundaries of science, trust Peak Scientific to supply
0:18.7	gas for undisrupted workflows.
0:24.4	When it comes to your LC or G.C, don't settle for less.
0:30.8	Choose the solution that is tested, validated, and approved by leading instrument manufacturers globally. Visit PeekScientific.com and quote Science Podcast to receive special offers.
0:42.9	Thank you. and quote, Science Podcast to receive special offers. Welcome to the Science Podcast for May 13, 2016.
0:47.2	I'm Sarah Crespi.
0:48.9	In this week's show, Julia Rosen talks with Hanukarizzo about incredibly ancient rocks that are giving new insight
0:56.7	into the formation of the planet. And Catherine Madisick is here with a roundup of stories
1:02.1	from our daily news site. Support for the science podcast is provided by AAAS, the American
1:09.6	Association for the Advancement of Science.
1:14.2	Now we have Catherine Mattisick, an editor for our online daily news site. She's here to talk about some recent online stories.
1:21.5	First up, we have a story on how the Venus flytrop got its taste for meat. Venus flytrops are those rare outliers in the plant world.
1:30.1	Predator plants, along with the pitcher plant and the sundew, flytrops can kill and eat insects.
1:36.9	But how do they get to that point? What story can we tell about its evolution?
1:41.9	This was one of my favorite stories on the site this week.
1:45.0	Who wouldn't want to know how the Venus flytrap became a meat eater?
1:49.0	For a long time, scientists thought that the fly trap and other carnivorous plants might have evolved by turning their defensive adaptations into offensive weapons.
2:00.0	Right. Now researchers have been able to test this idea in a very fine scale way by looking at the genes involved in these processes.
2:08.1	So does the theory hold up?
2:10.1	It seems like it might. A new study looked at the genes that were expressed as a Venus flytrap caught and then slowly digested
	...

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