Reindeer see a weird and wonderful world of ultraviolet light
Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic.
Imaging technology reveals intricate details of 49 million-year-old spider
Scientists have used the latest computer-imaging technology to produce stunning three-dimensional pictures of a 49 million-year-old spider trapped inside an opaque piece of fossilized amber resin.
Tarantulas shoot silk from feet
Climbing is possibly one of the riskiest things an adult tarantula can do. Weighing in at anything up to 50gm, the dry attachment systems that keep daintier spiders firmly anchored are on the verge of failure ...
Zombie ants have fungus on the brain
Tropical carpenter ants (Camponotus leonardi) live high up in the rainforest canopy. When infected by a parasitic fungus (Ophiocordyceps unilateralis) the behaviour of the ants is dramatically changed. They ...
Evolution in reverse: insects recover lost 'wings'
The extravagant headgear of small bugs called treehoppers are in fact wing-like appendages that grew back 200 million years after evolution had supposedly cast them aside, according to a study published Thursday ...
Why does rain keep bats grounded?
I control therefore I am: chimps self-aware, says study
Chimpanzees are self-aware and can anticipate the impact of their actions on the environment around them, an ability once thought to be uniquely human, according to a study released Wednesday.
First rainforests arose when plants solved plumbing problem
A team of scientists, including several from the Smithsonian Institution, discovered that leaves of flowering plants in the world's first rainforests had more veins per unit area than leaves ever had before. ...
Researchers turn to museums to track down clues in mysterious amphibian declines
There's a crisis among the world's amphibians -- about 40 percent of amphibian species have dwindled in numbers in just three decades. Now, museum jars stuffed full of amphibians may help scientists decide ...
Study shows how mosquitoes handle the heat of a hot blood meal
Mosquitoes make proteins to help them handle the stressful spike in body temperature that's prompted by their hot blood meals, a new study has found.
Bright bills in mallards helps duck semen fight bacteria
Social wasps show how bigger brains provide complex cognition
Across many groups of animals, species with bigger brains often have better cognitive abilities. But it's been unclear whether overall brain size or the size of specific brain areas is the key.
Instant evolution in whiteflies: Just add bacteria
In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develo ...
Do snails need their slime trails to move ahead? It's a sticky question
(PhysOrg.com) -- High-resolution videos of moving snails and slugs reveal the details of how snails get around on their own distinctive brand of slime.