Winter Boot Safety Is a Slippery Slope
Researchers put a tiny ice rink on a tipping platform to measure how much grip winter boots really have.
Stories by Dyani Sabin
Stalagmites Point to Caves' Shaky History
Researchers can crack open stalagmites to uncover ancient earthquakes and changes in cave climate.
Tackling Brain Disease in China
Neuroscientist Mu-Ming Poo discusses the China Brain Project and its goal of understanding brain diseases in the most populous country’s aging public.
How Does a Shark's Tooth Help It Rip into Prey?
Tiger shark teeth are sharp enough to munch a sea turtle, but there's a trade-off.
Do Einstein's Theories Explain Portals in Comics?
Could Superman’s punch send you through a wormhole? Scientific American editors discussed how general relativity relates to black holes, and wormholes, and Dr. Strange’s portals.
Do Einstein's Theories Provide Sources of Energy for Superheroes?
How do superheroes fly? The answer may be dark energy.