Science

Side by side of mouse embryos. The one on the left appears to be developing normally, but the one on the right has an extra pair of legs.
Genetics
How turning off one gene causes mice to grow 6 legs
A study of embryo development in mice led to the creation of a mutant mouse fetus with an extra pair of legs in place of genitals.
Kristin Houser
a rendering of three massive silver containers with "Ark" written on them
Food
This startup is trying to solve lab-grown meat’s biggest problem
A biotech startup has developed a new kind of bioreactor that could help increase cultivated meat production.
Kristin Houser
A man in a suit stands next to a robotic arm with computer-brain interfaces on a stage under blue lighting.
Big Tech
In a future with brain-computer interfaces like Elon Musk’s Neuralink, we may need to rethink freedom of thought
In a future with more “mind reading,” thanks to computer-brain interfaces, we may need to rethink freedom of thought.
Parker Crutchfield
new material
Engineering
MIT’s new material is stronger than steel and as light as plastic
Kristin Houser
alcohol consumption
Medicine
Monkeys’ alcohol consumption drops 50% after hormone therapy
Kristin Houser
Neuroscience
Researchers can predict rats’ behavior by reading their brains 
Teresa Carey
limb regeneration
Biology
“BioDome” triggers near-complete limb regeneration in frogs
Kristin Houser
ergot alkaloids
Drugs
Morning glories may be a source of new psychedelics and medicines 
B. David Zarley
Brain
Here is how your brain understands one voice in a crowd
Teresa Carey
Outer Space
Startup will send prized artifacts to the International Space Station 
Teresa Carey
Food
Smart food packaging keeps food fresh and reduces waste
Teresa Carey
jellyfish nervous system
Animals
What the ancient, alien jellyfish can tell us about the human brain
B. David Zarley
Genetics
Would we still see ourselves as “human” if other hominin species hadn’t gone extinct?
Nicholas R. Longrich