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Could Another Chelyabinsk-Scale Meteor Sneak Up on Us?

Credit: ESA When a 17-meter asteroid barreled into Earth’s atmosphere over central Russia on February 15, releasing a powerful shock wave that injured more than 1,000 people, many observers wondered how such a momentous event could arrive unheralded.

February 20, 2013 — John Matson

It Happened In Space!

Video of the Week #80, February 20th, 2013: From: Vintage Space: Historical Spaceflight on Film by Carin Bondar at PsiVid . Source: Amy Shira Teitel on YouTube Space Lab - Scientific American Historian Amy Shira Teitel has a lot to say about spaceflight.

February 20, 2013 — Bora Zivkovic

On writing it down

Sci is at Neurotic Physiology today with a plea. A plea to new grad students, to new postdocs, to new undergrads. A plea to WRITE IT DOWN. All of it.

February 20, 2013 — Scicurious

Introducing: Kate Prengaman

This is a series of Q&As with new, young and up-and-coming science, health and environmental writers and reporters. They - at least some of them - have recently hatched in the Incubators (science writing programs at schools of journalism), have even more recently fledged (graduated), and are now making their mark as wonderful new voices explaining science to the public.

STAFFFebruary 20, 2013 — Bora Zivkovic

Postage Stamps Overlook Earth's Tiny Creatures

What can postage stamps tell us about biodiversity conservation? When André Nemésio isn’t studying biology, he collects stamps. André and his colleagues Diana Seixas and Heraldo Vasconcelos recently cataloged the animals represented on hundreds of thousands of postage stamps for sale on Delcampe and eBay.

February 20, 2013 — Laura Jane Martin

Par cutin: "Here Is Something New and Strange"

Imagine a pastoral scene, seventy years ago in Mexico. On a sunny February day, a woman and her son watch over their flock of sheep from the shade of oaks; her husband strides across his fields toward a pile of branches that need burning, while his helper completes a furrow.

February 20, 2013 — Dana Hunter

Electric Vehicle Deployment - Where Should We Be Today?

Guest Post by Tali Trigg Electric vehicles (EVs) have come under siege in the media in the past two years, with several observers pointing to shortcomings like driving range, performance in cold weather and resale value as indicators of their imminent demise.

February 20, 2013 — Melissa C. Lott

Why Sociable Weavers Nest Together

Assimilation 7 by © Dillon Marsh ( Dillon Marsh's photographs of sociable weaver nests, taken in the Kalahari Desert of Southern Africa, beautifully illustrate traditional nature--the realm of wild animals--overlapping with human civilization.

February 19, 2013 — Hannah Waters

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