杏吧原创

Pollution from the West may have plunged Africa into drought

Physics

Technology

Technology

Technology

GM crops won't while they're tied to the needs of the rich

A colony of genetically modified bacteria living and breeding in your gut could be just what the doctor ordered. But is it worth the risk?

There was a time when researchers hunting for new lifesaving drugs struggled to synthesise more than two promising compounds a week. Now they churn out thousands, thanks to a new kind of chemistry