Ocean Oxygen
Oxygen-deprived areas of tropical oceans are expanding due to global warming.
Lizard Evolution
Lizards introduced to a new island undergo extremely rapid evolution.
Beetle Roundup
An innocuous-looking beetle may have been partially responsible for the formation of the vast Chihuahuan desert in Mexico.
Stock Market Hormones
Testosterone may make stock traders take bigger risks, leading to price bubbles.
Madagascar Map
Scientists have produced an incredibly detailed species map of Madagascar to target prime areas for conservation.
Expanding Atherosclerosis
Atherosclerosis, or hardening of the arteries, is one of the leading serious problems in the western world. New research suggests that its reach might …
Most Powerful Laser
The world's most powerful laser can create miniature stars right in the laboratory.
Tree Roundup
Planting fast-growing trees in southern latitudes could help stall global warming, but they're no panacea.
Radiation Protection
Scientists are taking lessons from tumor cells to fight the damaging effects of radiation and chemotherapy.
Pain Roundup
A new anesthetic could one day replace narcotics in treating pain after surgery.
Anxiety & Blood Clotting
Severe anxiety can lead to elevated blood clotting, and an increased risk of heart disease.
Space Radiation
Exposure to radiation in space could make astronauts prone to cancer.
Bacteria Climate Roundup
The Kalahari desert is not as lifeless as you might think.
Fluorescence & Phosphorescence
A listener asks: What is the difference between fluorescence and phosphorescence?
Alligator Blood
Alligator blood may be a source of powerful antimicrobials.
Sensing Calories
Our brains may get pleasure from high-calorie foods that has nothing to do with taste.
Fruit Fly Phlebotomy
A new technique can draw pure blood from a single fruit fly.
Hydrogen Fuel Roundup
Scientists are experimenting with algae that could produce hydrogen fuel.
Transitional Fossils
A listener asks: Have many transitional fossils showing evolutionary links between major groups of animals been found in the fossil record?
Conspicuous Camouflage
Scientists test whether predators really mistake the eyespots on the wings of some butterflies for real eyes.
Unique Genes
We inherited most of our genes from our evolutionary ancestors. But a small percentage of genes only occur in humans. Scientists are just starting to …
Microcrystal Roundup
Tiny microcrystals can tell us about the geological history of continents, and they also affect the health of the planet.