Life
- 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.
- Genetics
Life at the Speed of Light
Biology has come a long way from the days of mixing things in petri dishes and hoping something interesting happens. In his new book, Venter introduces readers to a future of precise biological engineering.
- 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.
- Ecosystems
Trees’ growth keeps climbing with age
Older trees pack on weight faster, making them potentially the best carbon collectors.
- 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.
- Agriculture
Some bioenergy crops are greener than others
In the Upper Midwest, switchgrass trumps maize at boosting ecological health.
- Genetics
Microbe and human genes influence stomach cancer risk
When genes of the bacterium and its human host evolve together, the strain is less harmful than that same strain in a person whose ancestors didn't encounter that particular microbe.
- Health & Medicine
Green tea may sabotage blood pressure medication
Antioxidants in drink may keep intestinal cells from taking up drug.
