Scientists identify ancient origin for key hormone system

A key set of proteins that help regulate hormones necessary for many essential functions in humans and other vertebrates have ancient origins in much simpler creatures such as sea cucumbers, says a new study published today ...

Ants use collective 'brainpower' to navigate obstacles

Ants use their numbers to overcome navigational challenges that are too large and disorienting to be tackled by any single individual, reports a new study in the open-access journal eLife.

Worms freeload on bacterial defence systems

Scientists have untangled a sensory circuit in worms that allows them to choose whether to spend energy on self-defence or rely on the help of nearby bacteria, a new study in eLife reveals.

How wallflowers evolved a complementary pair of plant defenses

A pair of chemicals used by wallflowers and their kin to ward off predators have evolved to complement each other, with one targeting generalist herbivores and the other targeting specialised herbivores that have become resistant ...

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