
The Quest for Lab-Grown Meat
A handful of scientists aim to satisfy the world's growing appetite for hamburgers—and eventually steak—without wrecking the planet. The first step: grab a petri dish

The Quest for Lab-Grown Meat
A handful of scientists aim to satisfy the world's growing appetite for hamburgers—and eventually steak—without wrecking the planet. The first step: grab a petri dish

Free Online Courses Bring "Magic" to Rwanda
An inside look at a daring global experiment: using freely available online courses to bring top-tier instruction to the neediest parts of the planet

Students Say Online Courses Enrich On-Campus Learning
One in five science students surveyed by Nature and Scientific American has participated in a MOOC—and most would do so again

Swept from Africa to the Amazon
What the journey of a handful of dust tells us about our fragile planet

Controversy: Can Repeat Concussions Cause Lou Gehrig's Disease?
Football players diagnosed with Lou Gehrig's disease may suffer from the effect of repeated blows to the head, controversial new research says

Zahi Hawass, Egypt's Indiana Jones and One-Time Mubarak Ally, Tries to Cozy Up to Pro-Democracy Activists
Egypt had a revolution, but Zahi Hawass, the larger-than-life minister of antiquities, is still calling his own shots and making no apologies

Recovered Loot: A Q&A about the Return of Stolen Egyptian Antiquities
Thieves took advantage of the recent chaos in Egypt to steal priceless artifacts. The country's minister of antiquities explains how he got them back

When Will Scientists Grow Meat in a Petri Dish?
A handful of scientists aim to satisfy the world's growing appetite for steak without wrecking the planet. The first step: grab a petri dish