Size matters: To livebearer fish, big fins are a big deal

Biologists studied the evolution of 40 molly and Limia species, and concluded dorsal fin displays arose…

Wired for obesity

Researchers have discovered a set of genes that help to establish brain connections governing body weight.

Can a critic-turned-believer sway others? The case of genetically modified foods

When an advocate for one side of an issue announces that he or she now believes…

Size matters—to livebearer fish, big fins are a big deal

To female molly and Limia fish, nothing is hotter than a male with a large dorsal…

Blocking hormone uptake burns more fat

A newly discovered regulatory mechanism helps the body control the rate of fat metabolism, according to…

Size matters—to livebearer fish, big fins are a big deal

To female molly and Limia fish, nothing is hotter than a male with a large dorsal…

Scientists accidentally engineer mice with unusually short and long tails

Researchers from two groups studying mouse development have accidentally created mice with unusually long and unusually…

How to rapidly image entire brains at nanoscale resolution

A powerful new technique combines expansion microscopy with lattice light-sheet microscopy for nanoscale imaging of fly…

Scientists learn how common virus reactivates after transplantation

A new study challenges long-held theories of why a common virus -- cytomegalovirus, or CMV --…

Brain cells that make pain unpleasant

If you step on a tack, neurons in your brain will register two things: that there's…