A California-based startup that promises to make zero-carbon flight a reality has just received a major vote of confidence.
A California-based startup that promises to make zero-carbon flight a reality has just received a major vote of confidence.
Shrews’ noses grow in winter as their brains shrink 
What Spider-Man gets right — and wrong — about turning off superpowers 
Snail slime does many jobs thanks to calcium 
The COVID-19 vaccine may offer brain cancer patients a surprise benefit 
How a brutal drought may have helped unleash yellow fever in Brazil 
A light-based scan could detect deadly bowel disease in preterm babies 
Ebola: Motorbike riders carrying the sick may hold key to response boost 
Security Council LIVE: Drone strikes and political impasse in Libya 
Nairobi Biodiversity Talks Set the Stage for Key COP17 Decisions