
How Bacteria in Our Bodies Protect Our Health
Researchers who study the friendly bacteria that live inside all of us are starting to sort out who is in charge—microbes or people?

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How Bacteria in Our Bodies Protect Our Health
Researchers who study the friendly bacteria that live inside all of us are starting to sort out who is in charge—microbes or people?

Antimatter-Powered Supernovae
The largest stars die in explosions more powerful than anyone thought possible—some triggered in part by the production of antimatter

A Countdown to a Digital Simulation of Every Last Neuron in the Human Brain
Building a vast digital simulation of the brain could transform neuroscience and medicine and reveal new ways of making more powerful computers

The Problems with ITER and the Fading Dream of Fusion Energy
On the road to unlimited energy, the world's most complex science experiment encounters a few potholes

Orchids Need Bees More Than Bees Need Them
Orchid pollinators are surprisingly promiscuous about the plants they like

Is Bird Flu Waiting to Explode?
By concocting bird flu viruses that could potentially spread easily among humans, researchers have ignited a debate about the need for safety versus open inquiry

The Right Way to Get It Wrong
Most errors are quickly forgotten. Others end up remaking the face of science

Hermit Crabs Trade Up by Exchanging Shells in Queue
Like people, hermit crabs and other animals trade up by treasuring what others leave behind

HIV Researcher Probes Vulnerabilities in the Virus for Clues to a Vaccine
Thumbi Ndung'u has moved from Africa to Massachusetts and back in a quest to halt the AIDS epidemic