Science | WAMU 88.5 - American University Radio


RSS Feed

Nobel Season Kicks Off With Medicine Prize

British researcher John Gurdon and Shinya Yamanaka of Japan have won this year's Nobel Prize in medicine or physiology. They won for the discovery that mature cells can be reprogrammed into stem cells.

Scientists Watch Antarctica, Arctic Sea-Ice Levels

The ice covering the Arctic Ocean was at a record low, in keeping with a sharp warming trend in the far north. At the same time, the amount of the ocean around Antarctica covered by sea ice hit a record high. It's winter in Antarctica when it's summer in the Arctic. But why in a warming world is wintertime ice growing?

New Dinosaur Was A Small, Fanged Vegetarian

A new dinosaur species was identified this week called Pegomastax, or "thick-jawed reptile." The dinosaur's defining feature is its fangs, which make it look like a fearsome cross between a porcupine and a chicken.

Restore The California Delta! To What, Exactly?

As a multibillion-dollar environmental effort gets underway, the state has to figure out what the landscape used to look like. Ninety-seven percent of the original wetlands in the inland delta near the San Francisco Bay are gone, so California is turning to historians for help.

In-Depth Genome Analysis Moves Toward The Hospital Bed

Scientists have been using whole genome sequencing for over a decade, but it has yet to become a routine tool in the clinic. Two separate research groups showed progress in making diagnoses using in-depth genome analysis.

Steven Strogatz: The Joy Of X

In The Joy of X: A Guided Tour of Math, from One to Infinity, mathematician Steven Strogatz provides an entertaining refresher course in math, starting with the most elementary ideas, such as counting, and finishing with mind-bending theories of infinity--including the idea that some infinities can be bigger than others.

How Astronomers Measured the Edge of a Black Hole

For the first time, astronomers peered to the edge of a massive black hole at the heart of a distant galaxy and measured its "point of no return." Shep Doeleman, assistant director at MIT's Haystack Observatory, shares some of the black hole's deepest (and darkest) secrets.