Carbon Emissions
Carbon emission rates may be higher than scientists thought.
Podcast
The dinosaur extinction may have been stinky, carbon emission rates may be worse than was thought, wild wheat plants itself, a cow with naturally skim milk, and what sound sounds like on other planets.
Upper Atmosphere Roundup
A new technology could tap the jet stream for energy.
Podcast
The Darfur region has an ancient underground lake, animals navigate with internal compasses, what plants would look like on other planets, why offering too many choices is bad marketing, and why kids have temper tantrums.
Podcast
The science of deja vu, pollution from cities affects rainfall on mountaintops, a machine that can make almost anything, diets just don't work, and celebrities don't make great salespeople.
Podcast
Taking a picture of an itch, the genetics of social behavior, the drying of the American Southwest, looking a hurricane in the eye, and a stop-smoking diet.
Hurricane Eyewall
Hurricanes' eyewalls may hold the key to forecasting their strength.
Drying Southwest
The American Southwest is pretty dry already. But a drier future may be in store.
Podcast
Deciphering the calls of blue whales, genetic tests for mental conditions, a three-way symbiotic relationship, studying tear film, and the truth about tanning beds.
Podcast
Why you can't remember your babyhood, Africa's pulling apart, how amoebas move, nonsmoking women are more prone to lung cancer than nonsmoking men, and coral reefs are susceptible to global warming.
Climate and Corals
Climate change is endangering coral reefs around the world.
Tang and Maya
A recent study suggests that climate change helped do in two ancient civilizations.
Podcast
Small distractions could be big trouble, the effects of cell phone waves on our health, how nature cleans itself, eels and grouper hunt together, and squirrels and spruce trees outwit each other for seeds.
Podcast
Giving blood could be good for you, backpacks are better with bungee cords, taking a census of the air's bacteria, happiness helps ward off colds and flu, genetic engineering protects against mad cow disease
Air Bacteria Census
Scientists are taking stock of all the bacteria that live in the air.
Podcast
Exploring the origins of life, a laser-enhanced satellite for monitoring ozone, why cannibalism is in everyone's blood, a spit-test for sleepiness, and whether identical triplets are possible.
Atmospheric Laser
A new technique will help scientists keep tabs on the recovering ozone.
Podcast
Something unexpected at the North Pole, World Toilet Day and other toilet news, why golf balls have dimples but racecars don't, how a father's pheromones may control his daughter's growth, and using satellites for archaeology in Egypt.
Arctic Forests
Scientists haven't yet discovered Santa Claus at the North Pole, but they've found something that they think is just about as surprising.
Podcast
Our special birthday show! A louse killer that's evolution-proof, what comes after Hubble, the universality of color, listening to icebergs, and how physics was different in the early universe.
Podcast
Whiskers could help robots feel, how bee brains are like human brains, a genetic disorder with musical gifts, how a storm at the North Pole damaged an iceberg at the South Pole, and what science is telling scholars about the Dead Sea Scrolls.