
Are Soil-Based Organisms Beneficial?
Some people claim that we're better off getting our probiotic bacteria from dirt than from foods like yogurt. But are these products safe?

Are Soil-Based Organisms Beneficial?
Some people claim that we're better off getting our probiotic bacteria from dirt than from foods like yogurt. But are these products safe?

Perseid Meteor Shower Set to Peak on Wednesday and Thursday
The Perseids are the most widely observed and dependable annual meteor display of the year


Jon Stewart's Top 10 Science Moments on The Daily Show [Video]
After 16 years, Jon Stewart signed off from The Daily Show on August 6, but not before leaving the world a trove of humorous and pointed clips about science

Gone with the Wind: Plant Seed Dispersal
A science activity from Science Buddies, based on a project from the Botanical Society of America

How Far Does Obama's Clean Power Plan Go in Slowing Climate Change?
The U.S. energy transition will continue under the new plan, but it needs to move even faster

Spicy Food Linked to Lower Risk of Death
In a study of nearly half a million volunteers in China, those who ate chilies just a couple times a week had a 10 percent lower risk of death. Christopher Intagliata reports

How to Revamp Education for 21st-Century Learners
Big names in education, technology and public plicy gather at Scientific American's STEM Executive Summit to advance a bold new vision for education

Fact or Fiction?: Natural Gas Will Reduce Global Warming Pollution
Has burning natural gas instead of coal helped the U.S. economy decarbonize? It's complicated

How to Get to the Fourth Dimension
A new book offers mathematical puzzles, such as fitting a coin through a hole that seems too small to accommodate it

A Really Long Straw
A pressurized science project from Science Buddies

What All the Screaming Is about
An analysis of the acoustical characteristics of screams found that the sounds are unusually rough, that is, they rapidly change in frequency, which has an alarming effect on the listener's brain

We Are All Broken
How Mariette Marinus turned a meditation on suffering into a series of animal characters