Cloning of a Human
The process is extremely difficult, but it also seems inevitable
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Cloning of a Human
The process is extremely difficult, but it also seems inevitable
Extra Dimensions
The world's biggest particle collider might uncover new slices of space
Extraterrestrial Intelligence
How will we respond to a signal from outer space?
Nuclear Exchange
A local conflict could produce a global nightmare
Creation of Life
Synthetic biology remakes organisms, but can it bring inanimate matter to life?
Room-temperature Superconductors
They would transform the grid--if they can exist at all
Machine Self-awareness
What happens when robots start calling the shots?
Polar Meltdown
The world's biggest particle collider might uncover new slices of space
Pacific Earthquake
Will the overdue Big One tear California asunder?
Fusion Energy
It would solve environmental headaches, but it remains hard to achieve
Asteroid Collision
An extinction-level event is unlikely, but "airbursts" could flatten a city
Deadly Pandemic
Notwithstanding the tameness of H1N1, influenza viruses could still wipe out millions and wreak economic havoc
Alzheimer's: Forestalling the Darkness with New Approaches
Interventions before symptoms appear could be key to slowing or stopping the leading cause of dementia
Earth's Missing Ingredient
The discovery of a novel high-density mineral means that Earth's mantle is a more restless place than scientists suspected—and offers new clues to the planet's history
Washing Carbon Out of the Air
Machines could absorb carbon dioxide from the atmosphere, slowing or even reversing its rise and reducing global warming
Did Neandertals Think Like Us?
João Zilhão defends his controversial view that our oft-maligned relatives shared our cognitive abilities
12 Events That Will Change Everything
In addition to reacting to news as it breaks, we work to anticipate what will happen. Here we contemplate 12 possibilities and rate their likelihood of happening by 2050
Is Time an Illusion?
The concepts of time and change may emerge from a universe that, at root, is utterly static
Fake Botox, Real Threat
A booming market for a counterfeit beauty product could put a deadly biological weapons agent in the wrong hands