When giant millipedes walked the Earth
The fossil of Arthopleura, an invertebrate that could tower over a modern human, shows how the giant bug thrived for 45 million years
Trojan bacterial army brings down tumors
Working from within, modified germs expose cancer cells to an attack from the immune system
Hair color can rebound after stress
The shade of one’s hair may reflect the state of one’s mind
They protect mosquitoes from dengue
Researchers help the gnats fight off virus that would otherwise infect humans
Animals that take advice from bacteria
The larvae of many marine creatures drift in plankton, then settle to the seafloor and transform into adults. Bacteria often help the critters pick where to settle — and that…