Will You Ever Fly in a Plane Propelled by Plants and Seeds?
Airlines have already flown planes fueled with biofuel-petroleum mixes, and more are coming.
How Does a Scorpion Decide When to Sting?
There are actually two decisions to make: whether to sting at all and whether to use prevenom or full venom.
Mount Everest’s Death Zone
The zone above 8,000 meters is known among mountaineers as the “Death Zone.” Why do most deaths in the high mountains occur at these extreme heights?
A Century After They First Appeared, Electric Boats Are Making a Comeback
In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.
The High Environmental Costs of Cruise Ships
Cruise ships pose many environmental concerns, from waste disposal to toxic paint to the creation of noise that can harm marine life.
To Reduce Infant Mortality, Train the Babysitters
“Little Mothers’ Leagues,” a program started by Dr. S. Josephine Baker at the turn of the last century, taught school-age girls to care for babies.
How Snakes Swallow
A snake’s ability to swallow enormous prey has long been a source of fascination, but the common explanation that they dislocate their jaws is a myth.
A Grain of Solar-Made Sea Salt
Artisanal sea salt makers are reviving the ancient method of sustainably harvesting salt.
Controlling a Hurricane
In the mid-20th century, the United States government invested in two major projects designed to control hurricanes by seeding the storm clouds.