Dragonflies maneuver like fighter pilots
Male dragonflies' dramatic aerial combat maneuvers emerge from relatively simple vision-based rules.
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Artificial cell manages a few rounds of cell division
It only works for a few divisions thanks to a lot of added materials.
Early land animals skipped the tadpole phase
Current amphibian development may not have been typical of early land vertebrates.
Cockroaches scurry around with thousands of pieces of bacterial genomes
Transferring genes across species doesn't just happen in microbes.
The first complex cells had genes from a complex mix of species
Our ancestors' genomes were built through successive waves of gene transfers.
Bumblebees can spontaneously solve problems, study finds
Scientists in Finland found bees could solve an insect version of the classic "box-and-banana" problem.
Beans use an immune receptor to call in airstrikes on caterpillars
When they're being eaten, bean plants release chemicals that draw in parasitic wasps.
Male bowerbirds hope to dazzle females with bright human-made items
"It’s a reminder of how human activity is changing the natural world in unanticipated ways.”
Severed sea cucumber appendages don't seem to die
They seem to reorganize their tissues and then just keep living.
How pigeons exploit magnetic fields for navigation
Iron-rich immune cells in the liver may act as sensors for magnetic fields, serving as an internal compass.
Whatever the mirror test tells us, beluga whales pass it
The white whales join the short, contested list of animals that see themselves.
Chickens without eggs? De-extinction company creates artificial egg.
In the process, Colossal may have handed a useful tool to developmental biology.
Protein in Homo erectus teeth suggests Denisovans gave us some of their DNA
Distinct form of tooth protein in Homo erectus shows up in Denisovans—and us.
Scorpions go terminator mode and reinforce their weapons with metal
Different hunting patterns seem to dictate different distributions of metal.