I study how Gram-negative bacteria build their outer membranes, which is interesting because the compartment between the inner and outer membranes, the periplasm, lacks any conventional source of energy.

This is how the light from your phone breaks your internal clock

It's not just sleep: circadian rhythms influence your metabolism, circulation and psychology, too

What is genetic modification?

It's surprisingly difficult to pin down a conclusive definition

Produced in partnership with ASU Center for Science and the Imagination

My greatest genetic engineering fear: that we'll try to erase our flaws

Deciding what's a flaw is more complicated than it seems

Feeding the world as the climate changes will depend on genetic engineering

CRISPR and other tech could help us produce more food, but only if we drop the GMO stigma

How scientists use light to manipulate cells with the flick of a switch

Optogenetics lets us probe the inner workings of cells with unprecedented precision