
Hawaii Faces More Dangerous Tsunami Risk
An ocean debris pile, much further inland than expected, testifies to past giant waves from the north.
Josh Fischman is senior editor for special projects at Scientific American and covers medicine, biology and science policy. He has written and edited about science and health for Discover, Science, Earth and U.S. News & World Report. Follow Fischman on Bluesky @jfischman.bsky.social

Hawaii Faces More Dangerous Tsunami Risk
An ocean debris pile, much further inland than expected, testifies to past giant waves from the north.

Let's Get Small: A Panel on Nanoscience
Scientific American senior editor Josh Fischman joins nanoscience researchers Shana Kelly, Yamuna Krishnan, Benjamin Bratton, along with moderator Bridget Kendall from the BBC World Service program The Forum

Ability To See Single Molecules Gets Chemistry Nobel
Stefan W. Hell, Eric Betzig, and William Moerner share the prize for developing new ways to see inside a cell.

Best View Ever of Hidden Seafloor Revealed in New Images [Slide Show]
Scientists use satellites to produce astoundingly detailed pictures of unmapped terrain

Mechanical Forces Affect Cell Development and Disease [Video]
Genes alone do not control a cell's fate. Physical forces pulling on that cell can determine how a cell becomes a complex organ.

Did Climate Shocks Shape Human Evolution? [Video]
In a video, noted scientists debate the connections between ancient climate changes and the emergence of modern human traits.

Scientific American Editor Testifies at U.S. Senate [Video]
At a hearing on the future of federal research investment, a science magazine editor and three noted scientists asked the U.S. Senate to support basic research

3 Ingredients Make Good July 4th Fireworks [Video]
How different types of chemicals combine for a holiday blast.

The Male Sex Chromosome Isn’t Shrinking
It may be small, but the Y chromosome is here to stay

Don't Go in the Water: The Chemistry of Pee in the Pool [Video]
Pee in a swimming pool could start an unpleasant chemical reaction with chlorine

A New Chemical Recipe Raises Prospect Of Inexpensive Fuel
Lab-made molecule can transform components of natural gas

How Your Smartphone Messes With Your Brain-And Your Sleep
Light from those screens triggers a chemical reaction that makes you think it is morning

Using Sharklike Antibodies To Fight Disease
Human therapeutic antibodies often break down. Now chemists have grafted on more rugged features, taken from sharks

Sonar Spots Invisible Arctic Oil Spills
Boom in Arctic Ocean drilling means hazardous leaks under ice, hidden from sight—but not from sound

Y Chromosome May Protect Against Cancer, Other Diseases
Elderly men who have lost the Y in blood cells have their lives cut short, compared with men who still have the little chromosome

Reprieve for Men: Y Chromosome Is Not Vanishing
Alarming shrinkage has stopped, researchers say, because the Y is a bastion of elite genes that play vital roles throughout the body

Animals with Human Rights Will Be More Than a Pet Peeve for Researchers
Legally, dogs and cats are moving closer to personhood. A new book says this poses problems for biomedical researchers and veterinarians