European investment could see knock-out rats catching up with mutant mice in medical research.
Science advisers mull priorities
Climate change and energy are high on the agenda for Obama’s panel.
Ice-core researchers hope to chill out
Fresh freezers needed to preserve ancient gas, scientists say.
Mystery of missing carbon cracked
Earth’s mantle seems to be depleted in carbon, but chemical processes might explain why.
Nanowires get biological impulses
Primitive hybrid device controls protein ion channels.