Three million years ago, our ancestors were vegetarian
Human ancestors like Australopithecus — which lived around 3.5 million years ago in southern Africa — ate very little to […]
Biochemistry
Cavity-nesting birds decorate with snake skin to deter predators
When a bird drapes its nest with snake skin, it isn’t just making an interesting décor choice. Cornell University researchers
Diversified cropping systems boost nitrogen supply but not soil carbon
Longer, more diverse rotations of crops fertilized with livestock manure have many environmental benefits, but carbon sequestration isn’t one of
Coyote genes may show urban evolution at work
A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly
Protein protects biological nitrogen fixation from oxidative stress
A research team from the University of Freiburg led by biochemist Prof. Dr. Oliver Einsle has discovered how the “Shethna
Octopus arms have segmented nervous systems to power extraordinary movements
Octopus arms move with incredible dexterity, bending, twisting, and curling with nearly infinite degrees of freedom. New research from the
Calls to curb invasive species spread via untreated water transfer
Experts are warning of the risks of spreading invasive and non-native species when moving large volumes of untreated lake, reservoir
Detecting hidden genetic relationships in animal populations
Understanding biological relationships is often critical when studying animal populations. Researchers from the Max Planck Institute for Evolutionary Anthropology, Leipzig
Songbirds socialize on the wing during migration
The night sky teems with migrating songbirds, aloft in their millions following routes etched in evolutionary time. But those flight