
How Can a Slower Runner Catch a Faster One?
Acceleration is the key for a predator chasing down swifter prey

How Can a Slower Runner Catch a Faster One?
Acceleration is the key for a predator chasing down swifter prey

How Much Water Weight Can a Player Lose During a Game?
A burly lineman can sweat through upward of nine pounds of fluid

When Is the Center of Mass Not at the Center of Any Individual Object?
Your body's center of mass is near your belly button, but things change if you're interacting with another person

Who Will Win: A Squirrel, an Elephant, a Pig or a Safety?
We set up an imaginary 40-yard dash to explore the physics of speed and acceleration

How Much Momentum Does It Take to Stop a Running Back?
From a physics perspective, football is all about overcoming inertia

How Should You Launch a Ball to Achieve the Greatest Distance?
Physics gives a precise answer, at least in an ideal setting

When Is a Straight Line Not the Shortest Distance between Two Points?
The hypotenuse of a right triangle is not always the shortest distance between the two points that define it

Why Do Pro Kickers Opt for Soccer Style?
The answer lies in surface area and biomechanics

What Are Vectors, and How Are They Used?
Denoting both direction and magnitude, vectors appear throughout the world of science and engineering

What Do a Submarine, a Rocket and a Football Have in Common?
Why the prolate spheroid is the shape for success

Readers Respond to "Speaking in Tones"-- And More...
Letters to the editor about the July/August 2010 issue of Scientific American MIND

Readers Respond to "How Babies Think" and Other Articles
Letters to the editor from the July 2010 issue of Scientific American

Hearing the Music, Honing the Mind
Music produces profound and lasting changes in the brain. Schools should add classes, not cut them

Want to Learn More about Climate Change?
Some recent and past Scientific American coverage of global warming

November 2010 Briefing Memo

In Science We Trust: Poll Results on How You Feel about Science
Our Web survey of readers suggests that the scientifically literate public still trusts its experts—with some important caveats

Readers Respond to "Is Time an Illusion?" and Other Articles
Letters to the editor from the June 2010 issue of Scientific American

Why Broadband Service in the U.S. Is So Awful
And one step that could change it

Snake Oil in the Supermarket
Food-makers should have to prove the validity of their health claims

Readers Respond to "He Said, She Said"-- And More...
Letters to the editor about the May/June 2010 issue of Scientific American MIND

Morse's Telegraph
This wonder of the age is likely to be used throughout the nation

Improved Rail-Road Cars
Streamlined designs have passengers comfortably moving faster than a steamboat on still water

Death to Humans! Visions of the Apocalypse in Movies and Literature
A list of some of our favorite dystopian views of human society facing extinction

The End: The Special Issue and Online Extras
A directory of "The End" articles from the September 2010 issue plus Web exclusives. Check back for updates every day.