Search Results

Filter By:

Author(s)

Title

Volume

Issue

Published on a specific date

Published between two dates

and

Published within the last...

DOI

June 17, 2011Biology
Supersize Spores Make Fungal Infections More Deadly, Possibly Explaining Victims in Missouri: This season's tornado outbreak in the U.S. left some unusual casualties in its wake. At least three people have reportedly died from a virulent fungal infection and several more remain infected following the storms that struck Missouri last month...; Katherine Harmon

July 28, 2011Biology
7 Billion and Still Growing: Explosive Population Growth Might Have Helped Us Displace Neandertals: The human population will top seven billion this year—more than double what it was just 50 years ago, experts say.

And these next 39 years are expected to bring about some big shifts among the biggest countries...; Katherine Harmon

August 3, 2011Health
Chew on This: More Mastication Cuts Calorie Intake by 12 Percent: About a century ago, a new craze gripped the country's health conscious: mastication. Chewing each bite of food precisely 32 times would help people control how much food they consumed—turning them from gluttons to epicureans—according to the early 20th-century dietician Horace Fletcher...; Katherine Harmon

November 15, 2010Biology
Perpetrators of HIV crimes uncovered through "evolutionary forensics": DNA evidence has been used to link suspects to crime scenes and even to people they might have infected with HIV. Now, using tools from evolutionary biology, researchers have shown that they can establish the direction of transmission of HIV in criminal cases involving men who intentionally infected women partners during unprotected sex...; Katherine Harmon

November 25, 2010Evolution
How land mammals evolved to be so massive: Although today's awe-inspiritng African Bush Elephant ( Loxodonta africana ) might seem a mighty beast, it's a fraction of the size of ancient mammals that roamed the Earth 37 million to 2.7 million years ago.The Eocene and Oligocene's Indricotherium measured in at more than five meters tall, and the Miocene and Pleistocene's Deinotherium likely weighted some 17,000 kilograms...; Katherine Harmon

November 30, 2010Biology
Does diabetes hamper cognitive function by lowering the brain's cholesterol?: Low cholesterol is generally a good thing. But decreasing the amount of low-density lipoprotein—LDL, the "bad cholesterol"—is only one part of the body's equation for a healthy balance of lipids...; Katherine Harmon

December 14, 2010The Sciences
King Henri IV's mummified head identified 400 years after assassination: The severed head of King Henri IV has been identified from the jumbled remains in the mass graves in Paris's Royal Basilica of Saint-Denis. A team of researchers used a host of scientific strategies to confirm the head's owner, who was killed in 1610...; Katherine Harmon

April 12, 2011Biology
Octopuses and squids are damaged by noise pollution: Not only can squids and octopuses sense sound, but as it turns out, these and other so-called cephalopods might be harmed by growing noise pollution in our oceans—from sources such as offshore drilling, ship motors, sonar use and pile driving...; Katherine Harmon

May 4, 2011The Sciences
Buzzing: 13-Year Periodic Cicadas Emerge: The humble vibrato of summer will crescendo a bit earlier this year in the U.S. South. Billions of cyclical cicadas will be out in full force starting this May, following a 13-year lull...; Katherine Harmon

July 1, 2011Biology
French Bug Plays 100-Decibel Mating Call on Genitalia: Whales can boom their songs across thousands of kilometers of ocean, and elephants' low-frequency calls can be heard by other pachyderms several kilometers away.; Katherine Harmon

July 6, 2011Biology
Satisfaction with Job, Family and Sex Guard against Signs of Heart Disease: Depression and chronic stress can be serious strains on heart health. But can positive emotional states do more for the heart than keep people at an average risk for signs of coronary heart disease?...; Katherine Harmon

May 18, 2011Biology
New Fossil Severs Snakes from Legless Lizard Line: Snakes aren’t just lizards without any legs. But a curious group of long, legless lizards look suspiciously like snakes themselves.

Also known as "worm lizards" (aka amphisbaenians), these small serpentine reptiles have evolved a limb-free body plan and strong heads that are handy for their burrowing lifestyle...; Katherine Harmon

May 31, 2011The Sciences
Did You "Bring Science Home"?: This month Scientific American launched 20 free at-home science activities with our inaugural Bring Science Home series. We hope you've enjoyed trying some of them and that you will continue to visit our Education page for more ways to do a little more science every day—at any age...; Katherine Harmon

February 1, 2011Biology
Bush-league male mates stress out female finches: Whether they are finding love in a flock or a lab, female Gouldian finches ( Erythrura gouldiae ) know what they're looking for: a fit male with head feathers that match their own.; Katherine Harmon

July 22, 2011Biology
FDA Starts to Tackle Regulation of Health and Medical Apps: On-the-go doctors can already see your latest MRI or CT scan via a smart phone or tablet. But would you want them to be able to download an app that essentially turns an iPad into an EKG to determine if you are having a heart attack?...; Katherine Harmon

September 1, 2009Health
Role of physicians and psychologists in interrogation of terrorism suspects reexamined: Physicians and psychologists played a larger role in the use of torture in interrogation of terrorism suspects than previously asserted, according to a report released yesterday by the nonprofit organization Physicians for Human Rights (PHR)...; Katherine Harmon

September 3, 2009Health
Academic researchers receive on average $33k a year from the medical industry: Hardly isolated from commercial ties, researchers in the ivory towers—and labs—of U.S. universities receive an average of $33,417 of funding a year from medical device, pharmaceutical and other medical industry companies, according to a study published yesterday in the Journal of the American Medical Association ...; Katherine Harmon

May 26, 2009Mind & Brain
Rooks make hooks (and other tools) in labs, but not in wild: Crows are known for their above-birdbrain intelligence, and New Caledonian crows have been observed using tools in their day-to-day lives. Other members of the crow family, however—such as rooks—don't seem to have this tool-using tendency in their natural habitats...; Katherine Harmon

July 29, 2009Health
Pregnant women and children first? CDC announces H1N1 vaccine recommendations: Here is who should be first in line this fall when the H1N1 vaccine becomes available, the U.S. Centers for Disease Control announced today: Pregnant women, all children (except those under six months old), teens and young adults up to 24 years old, people with babies under six months old, health care workers and nonelderly adults who have underlying medical conditions...; Katherine Harmon

Continue reading with a Scientific American subscription.

You may cancel at any time.