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Custom Chromo: First Yeast Chromosome Built From Scratch

It's not about making designer beer. Johns Hopkins scientists and undergrads stitched together strands of yeast DNA as a step in exploring the essential genetics of various species: What makes us us?

By the time archaeologists uncovered this statue of the Buddha at Mes Aynak, its head was gone — likely broken off by looters.

What's Better For Afghanistan's Future: Buddha Tours Or A Copper Mine?

A vast archaeological site sits atop one of the world's biggest untapped copper deposits. And Afghanistan must decide which resource will be a greater boon.

Berkeley's efforts to pass a penny-per-ounce tax on sugary drinks faced opposition with deep pockets — but it also got sizable cash infusions from some big-name donors.

How Did Berkeley Pass A Soda Tax? Bloomberg's Cash Didn't Hurt

The American Beverage Association poured tons of cash into the effort to defeat the penny-per-ounce sugary drink tax. But the effort to pass the tax also got cash infusions from some big-name donors.

Is There A Better Way To Pay For America's Schools?

There are huge gaps in school funding between affluent and property-poor districts. And, with evidence that money matters, especially for disadvantaged kids, something has to change.

Cyber-security experts Eric Chien and Liam O Murchu, Symantec. Their job is to investigate the viruses that pop up on your computer. They stumbled across and investigated the stuxnet cyber weapon.

NOVA: Rise Of The Hackers

Airs Wed., May 20, 2015 at 9 p.m. & Sun., May 24 at 2 p.m. on KPBS TV

Producer Ana Salceda poses with a sloth recently rescued from a hazardous road crossing, Panama.

NATURE: A Sloth Named Velcro

Airs Wednesday, Nov. 5, 2014 at 8 p.m. & Sunday, Nov. 9 at 3 p.m. on KPBS TV

Why does thunder rumble? Acoustic professor Trevor Cox explains that it has to do with the way lightning is a jagged line. "Each little kink is actually generating the sound, and the reason thunder rumbles is because the sound takes different time to come from different kinks because they're all slightly different distances from you," he says.

One Man's Quest To Find The 'Sonic Wonders Of The World'

Acoustic engineer Trevor Cox has traveled around the globe to hear whispering arches and singing sand dunes. Closer to home, he can also explain why your singing sounds better in the shower.

A Fairchild C-123K Provider at the National Museum of the United States Air Force.

Air Force Reservists Say Effects From Agent Orange Exposure Still Linger

The planes used to spray Agent Orange in Vietnam weren't retired from service — they were used by reservists in the U.S. for more than a decade after the war, exposing the crews to harmful chemicals.

Armor For Batteries Could Protect Hungry Kids From Harm

Thousands of children swallow tiny batteries used in watches, calculators and toys each year. A team from MIT and Harvard is working on a pressure-sensitive insulating shield to prevent damage.

What Does Mapping The Brain Actually Mean?

UC San Diego is a regional hub for the new Cal-BRAIN project. KPBS Midday talked to one of the brains behind the group about how this state project fits in to the president's brain mapping initiative.

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