Plants & Animals

New study supports a controversial 100-year-old hypothesis

Organoids could help develop treatments for snake bites and drugs for human diseases

Equipping mosquitoes with an antidengue antibody could someday protect millions of people from dreaded virus

Ancient arachnid could reveal clues about the evolution of modern scorpions and spiders

Some dog behaviors may have been present before domestication

Insect devours a dangerous pest, but trees are still at risk

Toxoplasma gondii may have more general effects on mouse behavior than previously thought

Research reveals mechanisms that allow the tree to live thousands of years

When another African gray parrot needs help, its partner “lends a wing”

Three-year effort fails to replicate findings that spurred widespread concern

Insects can recognize scenery forward and backward

Sugar ants even prefer it to sugar water

The fish aren’t prepared for a predator to be so … big

Chimps can keep the beat—but they also groove to sounds that aren’t rhythmic

Pack life appears to be a key to survival on the wolves’ new home

The pig organs are now being tested in nonhuman primates