Notebook
- Animals
Blennies have a lot of fang for such little fishes
Unlike snakes, blennies evolved fangs before venom, through probably not because of any need to hunt big prey.
- Earth
Ice particles shaped like lollipops fall from clouds
Small ice particles called ice-lollies, because of their lollipop-like appearance, can form in clouds.
- Animals
50 years ago, U.S. fell short on mosquito eradication
Researchers boldly predicted mosquitoes’ demise 50 years ago. They never came close.
- Climate
Radical idea could restore ice in the Arctic Ocean
Windmill-powered pumps on buoys throughout the Arctic Ocean could help bring back shrinking sea ice, researchers say.
- Archaeology
Oldest evidence of patterned silk loom found in China
Chinese finds offer earliest look at game-changing weaving machine.
- Animals
Beetles have been mooching off insect colonies for millions of years
The behavior, called social parasitism, has been going on for about 100 million years.
- Earth
50 years ago, continental drift began to gain acceptance
Half a century later, plate tectonics is well-established but still an active field of research.
- Paleontology
Early dinosaur relative sported odd mix of bird, crocodile-like traits
Teleocrater rhadinus gives researchers a better picture of what early dinosaur relatives looked like.
- Earth
‘River piracy’ on a high glacier lets one waterway rob another
The melting of one of Canada’s largest glaciers has rerouted meltwater from one stream into another in an instance of river piracy.
- Ecosystems
Hawk moths convert nectar into antioxidants
Hawk moths use their sugary diet to make antioxidants that protect their muscles.
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- Earth
Whirlwinds of crystals called gravel devils spotted in Andes Mountains
Large whirlwinds in northern Chile can carry gravel-sized gypsum crystals several kilometers before dumping them in mounds.
