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Science Magazine Podcast

A new species of ancient human and real-time evolutionary changes in flowering plants

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3842 Ratings

🗓️ 11 April 2019

⏱️ 22 minutes

🧾️ Download transcript

Summary

The ancient humans also known as the “hobbit” people (Homo floresiensis) might have company in their small stature with the discovery of another species of hominin in the Philippines. Host Sarah Crespi talks to Contributing Correspondent Lizzie Wade about what researchers have learned about this hominin from a jaw fragment, and its finger and toe bones and how this fits in with past discoveries of other ancient humans. Also this week, host Meagan Cantwell speaks with Florian Schiestl, a professor in evolutionary biology at the University of Zurich in Switzerland, about his work to understand the rapid evolution of the flowering plant Brassica rapa over the course of six generations. He was able to see how the combination of pollination by bees and risk of getting eaten by herbivores influences the plant’s appearance and defense mechanisms. This week’s episode was edited by Podigy. Ads on this week's show: Kolabtree.com and Magellan TV Listen to previous podcasts. About the Science Podcast [Image: Florian Schiestl; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

This podcast is supported by the Icon School of Medicine at Mount Sinai,

0:04.0

the academic arm of the Mount Sinai health system in New York City,

0:07.5

and one of America's leading research medical schools.

0:10.7

What are scientists and clinicians working on to improve medical care and health for women?

0:15.5

Find out in a special supplement to Science magazine prepared by the Icon School of Medicine

0:20.0

and Mount Sinai in partnership

0:21.6

with science. Visit our website at www.combe at www.combe-science.org and search for Frontiers

0:27.0

of Medical Research-Dash-Womeness Health. The Icon School of Medicine at Mount Sinai, we find a way.

0:33.3

Morgan State University, a Baltimore, Maryland-Karnege R2 doctoral research institution,

0:39.2

offers more than 100 academic programs and awards degrees at the baccalaureate,

0:44.0

master's, and doctoral levels, is furthering their mission of growing the future, leading

0:48.7

the world. Morgan continues to address the needs and challenges of the modern urban environment.

0:54.4

With a four-year quadrupling of research, more than a dozen new doctoral programs,

0:59.4

and eight new National Centers of Excellence, Morgan is positioned to achieve Carnegie R1 designation in the next five years.

1:07.4

To learn more about Morgan and their ascension to R1, visit morgan.edu slash research.

1:17.6

Welcome to the science podcast for April 12, 2019. I'm Sarah Crespi. In this week's show, I talk with contributing correspondent Lizzie Wade about a new hominin species,

1:31.1

something like a Denisovan or a Neanderthal, but this is new and very, very small, smaller than the so-called hobbit hominin.

1:39.1

And Megan Cantwell talks with Florian Schistel about observing real-time evolutionary change in flowering plants.

1:50.2

First up we have Lizzie Wade. She's back on the show this week to talk about a previously

1:55.1

undescribed type of ancient hominin. Hominens are things like Denisovins, Neanderthals homo florenciensis these are close cousins

2:04.1

of modern humans that have not survived into modern times except as bones and small bits of DNA

2:11.7

integrated into our genomes hi lizzie hi sarah so i'm really excited about more hominids. This find is actually based on

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