Amazon fish has super-shield against piranhas
An "armoured" fish living in the Amazon has evolved a remarkable multi-layer defence against the voracious piranha, materials scientists reported Tuesday.
Smithsonian scientists solve 'sudden death at sea' mystery
Mass strandings of whales have puzzled people since Aristotle. Modern-day strandings can be investigated and their causes, often human-related, identified. Events that happened millions of years ago, however, ...
Computer simulation explains why zebras have stripes
Research shows some plants can remove indoor pollutants
(PhysOrg.com) -- Some plants have the ability to drastically reduce levels of indoor pollutants, according to new research at the University of Georgia. Researchers showed that certain species can effectively ...
Pheromones a myth in mammals
Something just didnt smell right to Richard Doty. It was 1976 when the director of the Smell and Taste Center at Penns School of Medicine first started raising a stink about the existence of pheromones. ...
Crows demonstrate their cleverness with tools (w/ Video)
The crab-castrating parasite that zombifies its prey
Meet Sacculina carcini – a barnacle that makes a living as a real-life body-snatcher of crabs. Unlike most barnacles that are happy to simply stick themselves to a rock and filter food from the water, Saccul ...
Bizarre giant oarfish filmed (w/ Video)
Next generation of algorithms inspired by problem-solving ants
(PhysOrg.com) -- An ant colony is the last place you'd expect to find a maths whiz, but University of Sydney researchers have shown that the humble ant is capable of solving difficult mathematical problems.
From chaos to order: How ants optimize food search
Ants are capable of complex problem-solving strategies that could be widely applied as optimization techniques. An individual ant searching for food walks in random ways, biologists found. Yet the collective ...
Why are there so few fish in the Earth's oceans?
(PhysOrg.com) -- A Stony Brook University researcher has found that, contrary to popular belief, there are not plenty of fish in the sea.
Aging worker termites explode themselves in suicide missions
Key ingredient in mass extinctions could boost food, biofuel production
Hydrogen sulfide, the pungent stuff often referred to as sewer gas, is a deadly substance implicated in several mass extinctions, including one at the end of the Permian period 251 million years ago that ...
Researchers discover fish with a previously unknown type of eye
The University of Tübingen's Institute of Anatomy has discovered a fish with a previously unknown type of eye. The aptly-named glasshead barreleye lives at depths of 800 to 1000 meters. It has a cylindrical ...