Animals
- Animals
Whether froglets switch sexes distinguishes ‘sex races’
Rana temporaria froglets start all female in one region of Europe; in another region, new froglets of the same species have gonads of either sex.
- Animals
Tales of the bedbug, one of the world’s most reviled insects
‘Infested’ captivates with stories about the bloodsucking insects. Resurgent in many areas in the United States, bedbugs are the fastest-growing moneymaker in pest control.
- Animals
Gazing deeply into your dog’s eyes unleashes chemical attraction
Dogs and people gazing into each other’s eyes give each other a bond-strengthening rush of oxytocin.
- Life
Octopuses move with uncoordinated arms
An octopus crawls unlike any other animal. Mimicking the cephalopod’s control over its movements may lead to more agile robots.
- Animals
How many manatees live in Florida?
The most recent official count reports more than 6,000 manatees in Florida waters, but a new estimate may give a better picture of the population.
- Animals
Shimmer and shine may help prey sabotage predators’ aim
Iridescent prey was more difficult to strike in a video game for birds.
- Genetics
Contagious cancer found in clams
A soft-shell clam disease is just the third example of a contagious cancer.
- Animals
Tiny sea turtles are swimmers, not drifters
Young green and Kemp’s ridley sea turtles moved in different directions than instruments set adrift in the sea, which shows the animals were swimming.
- Animals
Dealing with droughts, museums going digital and more reader feedback
Readers share their experiences with dry weather in the U.S., discuss how humans mentally sort quantities and more.
- Life
It’s true: Butterfly spots can mimic scary eyes
Contrary to recent studies, the old notion that butterfly wing eyespots evoke predator eyes may not be so old-fashioned after all.
- Paleontology
Brontosaurus deserves its name, after all
Brontosaurus belongs in a genus separate from Apatosaurus, a new study proposes.
- Animals
Distinct voices fill the fish soundscape at night
Researchers find that fish sound frequencies overlap more during the day and are more distinct at night.
