Science

Bones Tell Tale Of Desperation Among The Starving At Jamestown

The winter of 1609-1610 has been called the "starving time" for the hundreds of men and women who settled the English colony of Jamestown, Va. They ate their horses, their pets — and, apparently, at least one person. Scientists say human bones recovered from the site provide the first hard evidence that the colonists may have resorted to cannibalism.

Navy Sonar Criticized For Harming Marine Mammals

The U.S. Navy is planning to expand training exercises off California and Hawaii, citing the need for military readiness. That's raising concerns about threatened whales and marine mammals, because sonar is known harm and, in some cases, kill them. The state of California is fighting the Navy's plan.

The Bird That Struts Its Stuff

The Greater sage-grouse is a large bird that makes its living in sagebrush habitats across the western U.S. and Canada. Every year at this time, male sage-grouse perform a striking dance routine each morning at dawn. Jason Robinson, upland game coordinator for the Utah Division of Wildlife Resources, breaks down the dance and describes challenges the birds face in Utah.

Studying Earth To Learn About Mars

Southern Utah's landscape looks a lot like images from the Mars rovers. Marjorie Chan explains how Utah geology might help explain data sent back from Mars missions. Charles Killian describes how people are simulating what it might be like to one day live and work on Mars.