Animals
- Animals
Sperm on a stick for springtails
Many males of the tiny soil organisms sustain their species by leaving drops of sperm glistening here and there in the landscape in case a female chooses to pick one up.
- Animals
Insect queens sterilize workers with similar chemical
When exposed to a form of saturated hydrocarbons that mimicked the queen’s scent, the worker insects’ ovaries degraded.
- Animals
Jellyfish bloom in spring when winter ‘timer’ dings
The coordinated appearance of the adult form of the animal is the result of a metamorphosis hormone that accumulates during winter months.
- Animals
African vultures follow the dead, not the herd
Wildebeest may be numerous, but they’re not attractive to carrion-eating birds unless they’re about to die.
- Animals
Head cam shows how falcons track prey
Falcons use motion camouflage to capture flying prey, a new study shows.
- Animals
Swimming dolphins don’t need to cheat
Dolphins swimming through bubbles burst old notion of underpowered muscles.
- Life
V-flying birds pick efficient flapping pattern
Ibises time their flaps to catch a boost from a neighbor’s wing.
- Genetics
Scorpion’s sting evolved from insects’ defensive proteins
With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.
- Tech
Jellyfish-like flying machine takes off
Mimicking sea creatures instead of insects leads to better hovering, scientists find.
- Animals
Wrinkle arises in soggy hand studies
An experiment bucks earlier finding that ridges help fingers grasp.
- Animals
Truths and lies about dingoes
A dingo really did take that woman’s baby, but other myths about the animals have been debunked.
- Animals
Finally, evidence that a starfish’s eyes let it see
The sea star’s vision isn’t great, but it’s good enough to help the animal find its way home.
