Science

Environment
4:11 pm
Mon July 28, 2014

This Albino Redwood Tree Isn't Dead — But It Came Close

Originally published on Mon July 28, 2014 7:40 pm

Copyright 2014 NPR. To see more, visit http://www.npr.org/.

National Security
1:19 pm
Mon July 28, 2014

To Stop Cheating, Nuclear Officers Ditch The Grades

First Lt. Patrick Romanofski (center) and 2nd Lt. Andrew Beckner (left) practice the launch of nuclear weapons. Promotions are now more strongly influenced by hands-on performance in this simulator.
R.J. Oriez U.S. Air Force

Originally published on Mon July 28, 2014 7:40 pm

The young officers at F.E. Warren Air Force Base have an enormous job: to keep 150 nuclear-tipped missiles ready to launch at a moment's notice.

Understandably, they're expected to know exactly what they're doing.

Three times a month, they're tested on the weapons and the codes used to launch them. Anything less than 90 percent is a fail.

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Shots - Health News
12:41 pm
Mon July 28, 2014

With Men's Y Chromosome, Size Really May Not Matter

The human Y chromosome (left) holds the code for "maleness"; that's the X on the right.
Andrew Syred/Science Source

Originally published on Mon July 28, 2014 6:32 pm

Basic biology has it that girls are girls because they have two X chromosomes — the things inside cells that carry our genes. Boys are boys because they have one X and one Y. Recently, though, there's been a lot of debate in scientific circles about the fate of that Y chromosome — the genetic basis of maleness.

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Krulwich Wonders...
12:19 pm
Mon July 28, 2014

Where The Birds Are Is Not Where You'd Think

Robert Krulwich/NPR

Originally published on Mon July 28, 2014 7:33 pm

This is a trick question. Where would you expect to find the greatest variety of birds?

Downtown, in a city?

Or far, far from downtown — in the fields, forests, mountains, where people are scarce?

Or in the suburbs? In backyards, lawns, parking lots and playing fields?

Not the city, right?

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Goats and Soda
9:20 am
Mon July 28, 2014

How Protecting Wildlife Helps Stop Child Labor And Slavery

A child grabs sleep after a long day of labor in a struggling West African fishery.
Courtesy of Jessica Pociask, WANT Expeditions

Originally published on Mon July 28, 2014 5:45 pm

When scientists talk about the destruction of rain forests or the acidification of oceans, we often hear about the tragic loss of plants and animals.

But ecologists at the University of California, Berkeley say there's also a human tragedy that frequently goes unnoticed: As fish and fauna are wiped out, more children around the world are forced to work, and more people are forced into indentured servitude, scientists wrote Thursday in the journal Science.

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