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Features
Could Gene Therapy Cure Heart Disease?
Harnessing the organ's own healing properties may help prevent heart attacks and lessen the painful effects of severely narrowed coronary arteries
Why Robots Must Learn to Tell Us “No”
Don’t worry about disobedient machines. Devious human masters and misunderstood commands are the real threat
Tangled Up in Spacetime
The collaborative project “It from Qubit” is investigating whether space and time sprang from the quantum entanglement of tiny bits of information
Building a Brain in the Lab
Scientists copy nature’s most complex organ in the hope of solving the mysteries of brain disorders, from autism to Alzheimer’s
Waging War on Wildlife Crime
Paleontologist-turned-politician Richard Leakey leads the charge in Kenya's war on poaching
How Birds Evolved from Dinosaurs
A remarkable fossil record of the dinosaurs that led to birds reveals how evolution produces entirely new kinds of organisms