News
-
AnimalsIt’s not just his croak
Male tree frogs with redder vocal sacs prove more popular with females, even at night.
By Susan Milius -
Birds, bats leave different wakes
The aerodynamic tale left behind a bird is different from that left behind a bat.
By Sid Perkins -
Health & MedicineEarly anesthesia may hinder kids’ learning
Young children who get general anesthesia more than once before age 4 may be at increased risk of developing a learning disability later in childhood, a new study finds.
By Nathan Seppa -
AgricultureFighting fungal weapons, not fungi
Scientists have engineered several compounds that target an enzyme that blackleg and black spot fungi use to thwart plant defense systems.