Animals
-
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.
By Susan Milius -
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.
By Susan Milius -
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.
By Susan Milius -
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.
-
Animals
Mouse mates with similar personalities start families faster
Among monogamous mound-building mice, the more closely mates match in a tendency toward anxiety, the sooner they start having babies
By Susan Milius -
Animals
Eggs and other land foods won’t feed polar bears
Polar bears will not be able to survive on land by eating birds, eggs and vegetation, a new review concludes.