Stories from the coolest day jobs in the world.
Microbes that eat and breathe electricity have forced scientists to reimagine how life works—on this planet and others
The 20 ideas, trends, and breakthroughs that will shape our world in 2014
Traditional chicken, beef, and pork production devours resources and creates waste. Meat-free meat might be the solution.
The story of how one of the most polluted waterways in America came to be located in one of the country's most expensive neighborhoods. Also: dysentery, cancer, and arsenic poisoning.
Tiny nanoparticles are a huge part of our lives, for better or for worse.
Rossi--a lone Italian inventor with no real credentials and a history as a convicted scam artist--has convinced a small army of researchers that his box can harness a new type of nuclear reaction. What if they're right?
Last December, Felisa Wolfe-Simon announced the discovery of a microbe that could change the way we understand life in the universe. Soon she found herself plunged into a maelstrom of bitter backlash and intemperate criticism. A dispatch from the frontiers of the new peer review
Bill Andrews has spent two decades unlocking the molecular mechanisms of aging. His mission: to extend the human life span to 150 years--or die trying
Scientists deploy genetic forensics to protect overhunted animals
Every day we're exposed to thousands of man-made chemicals, some of which seep into our bodies and remain there for decades. What that means for our health, we don't fully understand--but I subjected myself to a battery of new tests in search of answers
It takes real proof to back up even the simplest theories--these 10 studies show that the obvious can have not-so-obvious implications
The creator of the Segway is one of the most successful and admired inventors in the world. He leads a team of 300 scientists and engineers devoted to making things that better mankind. But he's not done
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
A 21st century electric-car revival is under way. But the first challenge—building a cheap, safe, powerful battery—is the hardest
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
Arctic climatologist Konrad Steffen has spent 18 consecutive springs on the Greenland ice cap, personally building and installing the weather stations that help the world's scientists understand what's happening up there. And what's happening may be much worse than anyone thought possible
Looking for a clean fuel that grows anywhere, needs only sunlight and water, and could produce enough oil to free the U.S. from its petroleum addiction? Here´s one start-up's plan for converting oil from algae-yes, algae
We'll get a vaccine for addiction, debate the future of nuclear power, use new tech to take on water shortages, and-just maybe-find an extra dimension or two. Happy New Year
Need to get away from it all? Popular Science presents an exclusive tour of CSS Skywalker, an orbital resort that's a lot closer to reality than you might think
Los Alamos scientist Steen Rasmussen plans to one-up nature by cobbling together a brand-new creature that reproduces and evolves. Is he making a biotech marvel that will do our bidding, or a test-tube-size Frankenstein monster?
Looking to boost your science smarts? First test your IQ organ, then follow our 6-point brain regimen. Soon you'll be crunching bogus claims and citing stats with the best.