8,095 results
- Life
Frog builds toes, then legs
A small frog appears to jump-start its skeletal development, turning on genes for building feet and toes before bothering to build its legs.
- Materials Science
Cornering the Terahertz Gap
Controlling light’s path could enable invisibility or harness an intriguing but so far elusive stretch of the spectrum.
- Life
Young tasmanian devil moms
Tasmanian devils have started mating much earlier in response to an epidemic, called facial tumor disease, that is wiping out much of their population.
- Health & Medicine
Bomb craters mean trouble for islanders
A skin infection in people living on the Pacific island of Satowan stems from swimming in ponds formed from World War II bomb craters there.
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There is little mystery why some female fishing spiders are so aggressive that they eat their suitors before mating can take place. It would take a very bold male to court a female knowing he is going to be lunch. To maintain such inherited aggressive behavior in the female, one only has to assume that […]
- Paleontology
The first matrushka
A newly found fossil preserves one creature inside another that lies nestled inside yet another, a Paleozoic version of the Russian nesting dolls known as matrushkas.
- Life
Elephant kin liked the water
Moeritherium, ancient relatives of modern elephants, may have spent much of their time in lakes, rivers or swamps.
- Health & Medicine
Sun up
Men with lower concentrations of vitamin D have higher risk of heart attack.
- Animals
Fish Switch: Salmon make baby trout after species, sex swap
Salmon implanted with trout reproductive tissue bred to produce a generation of normal rainbow trout.
- Ecosystems
Predators return
Warming waters could push new predators into Antarctica's delicate ecosystems.
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Tag! You’re It
Biologists catch and tag big sawfish in Florida waters.
- Paleontology
Walking tall
Some types of the largest flying reptiles ever known were well adapted to life on the ground.
