Animals
- Oceans
Tiny plastic debris is accumulating far beneath the ocean surface
Floating trash patches scratch only the surface of the ocean microplastic pollution problem.
- Animals
Tiny structures in dragonfish teeth turn them into invisible daggers
The teeth of deep-sea dragonfish are transparent because of nanoscale crystals and rods that let light pass through without being scattered.
- Paleontology
Fossils reveal saber-toothed cats may have pierced rivals’ skulls
Two Smilodon fossil skulls from Argentina have puncture holes likely left by the teeth of rival cats.
- Astronomy
Questions about solar storms, slingshot spiders and more reader feedback
Readers had questions about solar storms, a robotic gripper, slingshot spiders and more.
- Animals
A 50-million-year-old fossil captures a swimming school of fish
Analysis of a fossilized fish shoal suggests that animals may have evolved coordinated group movement around 50 million years ago.
- Animals
Shy fish no bigger than a pinkie provide much of the food in coral reefs
More than half of the fish flesh that predators in coral reefs eat comes from tiny, hard-to-spot species.
- Animals
Tiger sharks feast on migratory birds that fall out of the sky
Terrestrial birds that fall from the sky during their migration across the Gulf of Mexico can end up in the bellies of tiger sharks.
- Animals
Bad moods could be contagious among ravens
Ravens may pick up and share their compatriots’ negativity, a study on the social intelligence of these animals suggests.
- Animals
Vaccines may help bats fight white nose syndrome
Researchers are developing an oral vaccine that helps little brown bats survive the fungal disease white nose syndrome.
- Animals
Some dog breeds may have trouble breathing because of a mutated gene
Norwich terriers don’t have flat snouts, but can suffer the same wheezing as bulldogs. It turns out that a gene mutation tied to swelling could be to blame.
- Life
Bloodthirsty bedbugs have feasted on prey for 100 million years
Research sheds light on the evolutionary history of the bloodsucking bedbugs. The first species evolved at least as early as the Cretaceous, scientists say.
- Animals
Peacock spiders’ superblack spots reflect just 0.5 percent of light
By manipulating light with tiny structures, patches on peacock spiders appear superblack, helping accentuate the arachnids’ bright colors.
