Biology

If foods are protein-rich, ants can't tell solid morsels from liquid.
Jyoti Madhusoodanan, Contributor
The first hefty organic molecules may have formed within tiny droplets.
Sophie Bushwick, Contributor
A single mutation may account for lethal animal's toxin.
Joel Shurkin, Contributor
Researchers have connected canine swimming patterns to early aquatic mammals.
Katharine Gammon, Contributor
Owls react to alarm calls from prairie dogs.
Cat Ferguson, Contributor
Rare cells in the blood could identify patients at high risk of heart attacks.
Ker Than, Contributor
Biological phenomenon could turbocharge electricity generation in solar cells.
Charles Q. Choi, Contributor
Research adds a new dimension to cranberries' possible effect on urinary tract infections.
Sara Rennekamp, Contributing Editor
Small animals are more active under the full moon when larger hunters lie low.
Jyoti Madhusoodanan, Contributor
Joint differences enabled gigantism in dinosaurs.
Jyoti Madhusoodanan, Contributor
The few genes found outside the nucleus affect cell metabolism more than expected.
Ker Than, Contributor
A reversible genetic switch keeps Siberian hamsters from mating in harsh winter months.
Jyoti Madhusoodanan, Contributor