Life
- Animals
New frog-killing disease may not be so new
The skin disease that savaged amphibians in remote wildernesses in the 1990s has been linked to outbreaks in the 1970s.
- Animals
What’s the Mane Point? Foes and females both have role
The condition of a lion's mane apparently advertises high-quality mates to picky females and wards off male adversaries.
- Ecosystems
Plants hitch rides with box turtles
In the pine rocklands of southern Florida, at least nine plant species find new homes by traveling through a turtle's gut.
- Plants
Sunflower genes don’t fit pattern
Comparison between crop and wild sunflower genes suggests that the plant followed an easy route to domestication.
- Animals
Male butterflies are driven to drink
Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.
- Paleontology
Sea Dragons
About 235 million years ago, as the earliest dinosaurs stomped about on land, some of their reptilian relatives slipped back into the surf, took on an aquatic lifestyle, and became ichthyosaurs—Greek for fish lizards.
- Ecosystems
Tougher Weeds? Borrowed gene helps wild sunflower
Feeding concerns about developing superweeds, a test of sunflowers shows for the first time that a biologically engineered gene moving from a crop can give an advantage to wild relatives under naturalistic conditions.
- Animals
Flight puts the fight back into crickets
Researchers are just discovering what gamblers in China have known for centuries—flying can make a losing cricket fight again.
- Ecosystems
Males live longer with all-year mating
Male butterflies live longer in Madeira, where females are available year-round, than in Sweden, where females mature in one burst.
- Plants
Why tulips can’t dance
An elliptical stem gives daffodils an unusual liveliness in the wind compared with tulips.
- Animals
When Ants Squeak
In the past 20 years, researchers studying sound communication in ants have discovered a sort of ant-ernet, zinging with messages about lost relatives, great food, free rides for hitchhikers, caterpillars in search of ant partners, and impending doom.
- Animals
Bees log flight distances, train with maps
After decades of work, scientists crack two problems of how bees navigate: reading bee odometers and mapping training flights.
