Starfish Blamed For Great Barrier Reef Coral Loss
Crown-of-thorns starfish are partly to blame for the Great Barrier Reef’s alarming loss of coral cover.
From Stem Cells to Eggs (and Beyond)
Stem cells can be turned into heart, liver, and brain cells—but what about a whole new organism? A study in Science explains the transformation from stem cell to egg to mouse pup.
Analyzing the Evidence on DNA
“All DNA evidence is not created equal,” says Greg Hampikian, Director of the Idaho Innocence Project. He’ll tell us why DNA ‘evidence’ sometimes leads to the wrong conclusion.
Fires and Invasive Grass Threaten American West
Cheatgrass, an invasive weed, chokes out native sagebrush—and sets the stage for massive blazes.
Ice Age Co-Stars: Horses, Camels, and Cheetahs
Move over mammoths—many lesser-known beasts roamed North America during the Ice Age too.
Wild California Condors Made Here
By 1982, fewer than two dozen California condors lived in the wild. By 1985, only one wild breeding pair was known to exist.
Mars Rover May Be Contaminated with Earth Microbes
If microbial stowaways did hitch a ride to Mars, how will Curiosity’s mission be affected?
Field Trip to a Fungi Foray
This convention is for mushrooms and the people who love them.
Microbes Benefit More Than Just the Gut
Sinuses, too, are healthier when populated by a diverse colony of bugs.