Scientists have been able to put bacteria into already-printed objects, but a new approach shows the process might have other applications.
The Centers for Disease Control and Prevention said recent confirmed cases of algal toxins in municipal drinking water made people sick.
Poisonous and venomous animals have several tricks so their own defense mechanisms don't hurt them.
A few animals species and humans eat dirt, but researchers think they now know why some parrots do it.
Mosquitoes kill hundreds of thousands of humans every year with diseases they carry, so scientists have come up with some inventive ways to kill them.