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In An Immense World, science writer Ed Yong explores the diversity of perception in the animal world — including echolocation, magnetic fields and ultraviolet vision. Originally broadcast June 2022.

The oceanic "twilight zone" lies deep, and teems with life. We look at how this mysterious zone affects climate change.

The military gave President Mohammed Morsi and anti-government protesters 48 hours to resolve their differences, failing which it would put forward its own plan for the country. On the second day of anti-government demonstrations, protesters gave Morsi their own deadline: resign by 5 p.m. Tuesday. He says he won't go.

Archaeologists had considered Iran unimportant in the history of farming – until now. Ancient seeds and farming tools uncovered in Iran reveal Stone Age people there were growing lentils, barley and other crops. The findings offer a snapshot of a time when humans first started experimenting with farming.

Animals and humans have a lot in common, including some of the health problems that plague them. In her book Zoobiquity, Dr. Barbara Natterson-Horowitz explores how studying animal illness — from cancer to sexual dysfunction — can help us better understand human health.

After years spent studying counterinsurgency, now-retired Lt. Col. John Nagl put his knowledge of rebellion suppression into practice when serving in Iraq. He helped draft an edition of the U.S. Army field manual on counterinsurgency. (Originally broadcast on July 22, 2008.)

Scientists say the sun is now in an active period, creating more space weather that could interfere with the satellites we depend on for TV, cellphones and weather forecasts. From member station KQED, Lauren Sommer reports that researchers are taking advantage of the weather to learn more about the Earth's magnetic field.

The Pandoravirus is so big you can see it in an ordinary microscope. Scientists say its size may have helped fool amoebas and other potential hosts into eating it. But this virus doesn't pose a threat to humans. It's more of a Trojan virus than a surprise from Pandora's Box.

The South Carolina Supreme Court has ruled to finalize the adoption of Baby Veronica by her white adoptive parents. The order comes after the U.S. Supreme Court ruled in June that her biological father, a Cherokee Indian, could not use the Indian Child Welfare Act to claim custody rights.

There was a time when you didn't know what the No. 1 song in America was until Casey Kasem said so. The listener had an emotional relationship with the American Top 40 host for four decades.