17:14
Less Flashy Fossils Offer Paleoclimate Clues
Uncharismatic microfauna, such as insects and mollusks, are giving scientists at La Brea Tar Pits in Los Angeles a glimpse of the city’s cool, humid past.
22:52
Can the Bacteria in Your Gut Send Messages to Your Brain?
Researchers discuss how the microbiome might play a role in anxiety, depression, and autism.
6:51
Microbes Thrive in Antarctic Lake Buried Beneath Ice
Microbes have made a home in a lake trapped beneath an 800-meter-thick ice sheet in Antarctica.
9:49
Neanderthals and Modern Humans Mingled for Millennia
New, more accurate radiocarbon dating suggests the two cultures co-existed in Europe for nearly 5,000 years.
Classroom Strategy: Image of the Day
Three approaches for using images as gateways to instruction in grades 4-16.
Tar Noir: Paleoforensics at the La Brea Tar Pits
Using paleoforensics, researchers recount the grim details of life and death at the the La Brea Tar Pits.
Salad Dressing Science: Emulsion Lab
In this experiment, you will test a few common household ingredients to see which is the most effective emulsifier for making salad dressing – and you can eat your results!
21:23
Behind the Scenes at the City Morgue
Forensic pathologist Judy Melinek’s memoir “Working Stiff” goes behind the scenes at the New York City morgue.
16:29
Will Big Data Answer Big Questions on Health?
Google’s latest big idea is called “Baseline Study”—an effort to catalog the DNA of thousands of healthy people, along with their blood, urine, saliva, breath, and tears.