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If a new study's findings are confirmed in ongoing trials, David Brown says, "many of the more than 10 million stress tests performed annually and subsequent revascularizations may be unnecessary." (Credit: Denise Chan/Flickr)

Stony Brook University

Angioplasty may not offer added benefits

For patients with stable coronary artery disease who are not experiencing a heart attack, angioplasty may not offer more benefits than drug therapy alone. READ MORE…

"But if you can memorize nine stories, our system can generate distinct passwords for 126 accounts," says Jeremiah Blocki. (Credit: eric niu/Flickr, font by Vernon Adams)

Carnegie Mellon University

Remember lots of passwords with this trick

A new scheme lets people create 100 or more passwords by remembering—and regularly rehearsing—a few one-sentence stories. READ MORE…

"Coal is the cheapest material you can get for producing GQDs, and we found we can get a 20 percent yield," says James Tour. "So this discovery…is going to show the world that inside of coal are these very interesting structures that have real value." Above, vials of graphene quantum dots drawn from bituminous coal, anthracite and coke glow under a fluorescent lamp. (Credit: Jeff Fitlow/Rice University)

Rice University

From coal, cheap quantum dots in one step

Chemists have discovered how to reduce three kinds of coal into graphene quantum dots (GQDs) that could be used for medical imaging and other applications. READ MORE…

"As early cancers grow, the body is exposed to novel proteins caused by the mutations in the cancer and potentially opens a window to development of autoimmune disease," Bert Vogelstein says. (Credit: Quinn Dombrowski/Flickr)

Johns Hopkins University

Cancer mutation may set off scleroderma

Cancer is a likely cause of scleroderma, an autoimmune disease that thickens and hardens skin and causes widespread organ damage, new research has found. READ MORE…

In a small study, Viagra, the erectile dysfunction drug, appears to alleviate moderate to severe menstrual cramps without side effects. (Credit: Felix E. Guerrero/Flickr)

Penn State

Viagra could ease menstrual cramps

Women with moderate to severe menstrual cramps may find relief in a class of erectile dysfunction drugs, a new small study reports. READ MORE…

Low home lighting may be why most older adults are able to read at least two or more extra lines on the doctor's office eye chart than they can at home. (Credit: eddie welker/Flickr)

Washington University in St. Louis

Why seniors’ vision is better in the doctor’s office

Older adults who have 20/20 vision in their eye doctors’ offices may not see as well at home—but they may just need brighter bulbs in their lamps. READ MORE…

Carnegie Mellon University

Your photos reveal how you think of certain brands

Marketers could soon use the images you post on social media to figure out your "top-of-mind" associations with their brands. READ MORE…

The Tohoku quake created a "slip" of about 150 feet, "which in earthquake terms, is among the largest ever measured, and it was unexpected by many earthquake scientists that the fault ruptured all the way to the seafloor," explains Fred Chester. (Credit: Héctor García/Flickr)

Texas A&M University

Slippery clay set off Japan’s huge tsunami

An extremely thin layer of clay sediment below the ocean floor is a primary cause of the huge tsunami associated with the 2011 Japan earthquake. READ MORE…

"Older women who have had particularly few educational and occupational opportunities are more likely to rely on their sons for support. Therefore, a traumatic event, like a son’s death, could place quite a strain on a mother's health," says Chioun Lee. (Credit: iStockphoto)

Princeton University

Loss of son hits harder for moms in Taiwan

In Taiwan, mothers showed signs of depression and experienced declines in overall health after the death of an adult son, but not a daughter. READ MORE…

"Some aspects of white shark metabolism, as well as other aspects of its overall biochemistry, might be more similar to that of a mammal than to that of a bony fish," says Michael Stanhope. (Credit: Ken Bondy/Flickr)

Cornell University

Sharks are more like us than you think

Scientists compared great white gene shark genes with those of humans and zebrafish, and found that the shark genes were surprisingly similar to humans'. READ MORE…

"What's very surprising is that unlike mammals such as humans, who can't rely on fructose to power much of their exercise metabolism, hummingbirds use it very well. In fact, they are very happy using it and can use it just as well as glucose," says Kenneth Welch. (Credit: University of Toronto Scarborough)

University of Toronto

Hummingbirds run just fine on fructose

Hummingbirds are equally good at burning both components of sugar—glucose and fructose. It's a unique trait that other vertebrates don't have. READ MORE…

"Right now, the million-dollar question is: Does this disturbance lead to changes in population levels of marine mammals? That's what these long-term studies are ultimately trying to find out," says Nathan Merchant. (Credit: Peter Asprey/Wikimedia Commons)

Syracuse University

Monitors track noisy ships in dolphin habitat

Too much noise from shipping can stress out marine mammals, so scientists have developed a technique to monitor ship traffic in a protected dolphin habitat. READ MORE…

Stony Brook University

Angioplasty may not offer added benefits

Carnegie Mellon University

Remember lots of passwords with this trick

Rice University

From coal, cheap quantum dots in one step

Johns Hopkins University

Cancer mutation may set off scleroderma

Penn State

Viagra could ease menstrual cramps

Washington University in St. Louis

Why seniors’ vision is better in the doctor’s office

Carnegie Mellon University

Your photos reveal how you think of certain brands

Texas A&M University

Slippery clay set off Japan’s huge tsunami

Princeton University

Loss of son hits harder for moms in Taiwan

Cornell University

Sharks are more like us than you think

University of Toronto

Hummingbirds run just fine on fructose

Syracuse University

Monitors track noisy ships in dolphin habitat

All Time Most Popular Articles

University of Florida

Peanut butter sniff test confirms Alzheimer’s

Rice University

Epilepsy belt alerts caregivers of kid’s seizure

Brown University

Scans show early brain growth in breastfed babies

University of Chicago

God’s beliefs mirror our own