Stories by Larry Greenemeier

Fight in White Space

Could future wireless devices destroy HDTV broadcasts?

Next-Gen Heart Stents May Feature Toothlike Coating

A company uses tooth enamel substance to make potentially safer, more effective heart stents

News Bytes of the Week: Flying dinosaur preferred to hoof it while hunting

New spray-on explosives detector; Next-gen insect repellents; Salty water on Mars; and more...

Human Genome Project Head to Step Down

Geneticist Francis Collins moves on after mapping the human genome and seeing a pet project—legislation barring genetic discrimination—become law

News Bytes of the Week: Endangered Animals Get Raw Deal

Water wind farms; Sleepy brains experience "power failure"; and more...

Recruiting a Dangerous Foe to Fight Cancer and HIV

Biotechs have high hopes that a bacterium that causes food poisoning can boost the body's immune system as well as be enlisted to build vaccines against deadly diseases

Study Says Carbon Nanotubes as Dangerous as Asbestos

New research shows that long, needle-thin carbon nanotubes could lead to lung cancer

A Century of Flight: How Scientific American Helped the "Aeroplane" Get Off the Ground [Slideshow]

Scientific American observes the 100th anniversary of a competition that would bring manned flight to the masses, spawn the aviation industry, and forever change the way we live and travel...

News Bytes of the Week--Tiny Ants Invade Texas

Protein-folding video game and more…

DuPont and Danisco fuel new ethanol venture

U.S. Protects Polar Bears Under Endangered Species Act

The Interior Department lists the polar bear as a "threatened" species--one at risk of becoming endangered--due to dangerous declines in their sea ice habitat

Self-Sterilizing Plastics Kill Drug-Resistant Bacteria

A biotech company is developing polymers and medicines that attack microorganisms

Are Backyard Ethanol Brewers an Answer to High-Priced Gas?

Company debuts ethanol home refinery system to offer consumers an alternative to gasoline

News Bytes of the Week--Could Coastal Trees Have Saved Lives in Myanmar?

Dust devils greet Mars lander; Carbon nanotubes measure spiciness; Autism linked to schizophrenia ... and more

Scientists Build Nano Hot Rods

Researchers boost the performance of nanomachines, bringing them a step closer to medical and industrial uses

Quake Shakes Tokyo

Japan's capital was hit Thursday morning by a nearby 6.8-magnitude earthquake that injured two and left some 2,100 residents in the dark

Virus Outbreak Shakes China

Updated from a May 5 blog entry Chinese health-care officials are scrambling to contain the outbreak of a contagious and sometimes deadly intestinal virus--known as Enterovirus 71 (EV71)--that has already claimed the lives of at least 28 children and is likely to continue spreading...

Chile Volcano Eruption Sends Residents Fleeing, Causes One Death

A long-dormant South American volcano's awakening is the latest example of the planet letting off a little steam (not to mention ash, lava and smoke)

A Dump Truck for the 21st Century

Conceptual "tipper" truck adds efficiency to construction sites that today's dump trucks cannot match

Real-Life Iron Man: A Robotic Suit That Magnifies Human Strength

An exoskeleton robotic suit may help workers lift heavy loads and patients move damaged and prosthetic limbs