Great white sharks may have helped drive megalodons to extinction
For millions of years, megalodon sharks were top ocean predators — and then came the great whites. New analyses of shark teeth hint that...
SCIENTIFIC NEWS
An ‘acoustic camera’ shows joining the right boy band boosts a frog’s sex appeal
Loud sounds matter in both car design and frog flirting. So New Hampshire biologists lugged an acoustic camera used by car designers to springtime...
Scientists hope to mimic the most extreme hurricane conditions
Winds howl at over 300 kilometers per hour, battering at a two-story wooden house and ripping its roof from its walls. Then comes the...
Scientists made a Möbius strip out of a tiny carbon nanobelt
From cylindrical nanotubes to the hollow spheres known as buckyballs, carbon is famous for forming tiny, complex nanostructures (SN: 8/15/19). Now, scientists have added...
Missing COVID-19 data leave us in the dark about the current surge
As science journalists, we’re accustomed to data. We sift through it and talk it over with experts. We pay close attention to the stories...
Mass shootings and gun violence in the United States are increasing
On May 24, at an elementary school in Uvalde, Texas, 19 children and two teachers were killed by a shooter. Just 10 days earlier,...
High altitudes may be a climate refuge for some birds, but not these hummingbirds
Cooler, higher locales may not be very welcoming to some hummingbirds trying to escape rising temperatures and other effects of climate change. Anna’s hummingbirds...
4 answers to key questions about the monkeypox outbreak
An outbreak of monkeypox has some people worried that the world is on the brink of another pandemic. That’s not likely, experts say. The...
Lasers reveal ancient urban sprawl hidden in the Amazon
A massive urban landscape that contained interconnected campsites, villages, towns and monumental centers thrived in the Amazon rainforest more than 600 years ago. In...
Headbutts hurt the brain, even for a musk ox
Punishing headbutts damage the brains of musk oxen. That observation, made for the first time and reported May 17 in Acta Neuropathologica, suggests that a...
These mammal ancestors birthed live young far earlier than thought 
WHO chief voices concern over Trump Administration’s executive order on vaccines 
Cholera spreads across borders in West and Central Africa 
Sudan: Attacks and further displacement in Blue Nile and North Kordofan