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22 July 2014, 05:00 PM ET
African elephants bested rats, a former olfactory record-holder, among selected placental mammals.
22 July 2014, 04:22 PM ET
There may be something to the cliché of lovebirds gazing into each other's eyes, new research suggests. A glance at a person's face tends to indicate romantic love, whereas looking at a person's body is associated with feelings of sexual desire.
22 July 2014, 04:17 PM ET
The pulse rate measures the rate at which blood pressure increases throughout the body. There are several places on the body where you can find your pulse.
22 July 2014, 03:58 PM ET
Humans will subconsciously mimic the facial expressions of android robots, a new study finds.
22 July 2014, 03:14 PM ET
Created by lightning, ‘whistlers’ travel along Earth's magnetic field lines from hemisphere to hemisphere. Jupiter’s charged particles ‘sing’ across its magnetosphere (recorded by Voyager). -- 'Whistling' Volcanic Lightning: http://goo.gl/kKhlEk
22 July 2014, 02:39 PM ET
Electronics that dissolve on the battlefield and tiny, hummingbird-size drones that perform aerial reconnaissance are just a few of the sophisticated technologies the U.S. military is developing these days.
22 July 2014, 02:18 PM ET
A Los Angeles philanthropist is donating $650 million to improve understanding of the genetic and molecular causes of schizophrenia and other psychiatric illnesses.
22 July 2014, 01:05 PM ET
Whether or not you have access to the Internet may affect what you find desirable in a partner, a new study finds.
22 July 2014, 01:00 PM ET
It's not only sugar that raises alarms in diabetes. Having a high-salt diet may double the risk of developing heart disease in people with diabetes, according to a new study from Japan.
22 July 2014, 11:58 AM ET
Although antioxidant have been thought to fight cancer, emerging research shows they don't have this effect. Now, scientists are trying to explain why antioxidants may not lower people's cancer risk.
22 July 2014, 11:54 AM ET
Scandinavia and the southern Baltic Sea light up in a new photograph taken from the International Space Station in June. The picture gives a detailed view of the coastline and delicate barrier islands.
22 July 2014, 11:10 AM ET
Four astronauts traded in their spacesuits for scuba gear yesterday (July 21) and embarked on a nine-day mission at the bottom of the sea as part of NASA's Extreme Environment Mission Operations (NEEMO) project.
22 July 2014, 11:00 AM ET
Generally, polarized light is something you wear sunglasses to avoid, but for bats, the glare is actually useful.
22 July 2014, 10:52 AM ET
People with Parkinson's disease may have higher levels of creativity than their healthy peers, and these flights of fancy increase with higher doses of medication, new research finds.
22 July 2014, 09:58 AM ET
A sunrise photograph shows an unusual volcano sending ash toward a conjunction of Venus, Jupiter and the moon. Tanzania's Ol Doinyo Lengai is the only active volcano of its kind.
22 July 2014, 09:46 AM ET
Researchers found that positive-outcome bedtime stories are better at promoting honesty in children than negative-outcome stories.
22 July 2014, 09:01 AM ET
Recent satellite data suggests that Antarctica's sea ice is expanding even as the Arctic heads toward an ice-free future. But a new study argues that much of the trend is a glitch in the data, not a real observation.
22 July 2014, 03:52 AM ET
Disaster victim identification (DVI) is a difficult task, but will be made more challenging in this instance given the delays in body recovery and the interference of the crash site that is said to span over a 10km area including within a combat zone.
22 July 2014, 03:32 AM ET
Zookeepers have an interesting job — some days you cuddle with endangered species, others you just try not to get bitten.
22 July 2014, 03:07 AM ET
Huge swaths of sea are now protected, thanks to sea turtles.
22 July 2014, 02:32 AM ET
Loggerhead turtles inspire largest-ever U.S. critical habitat zone.
22 July 2014, 01:43 AM ET
Think before you connect your A/C to the Internet of Things.
22 July 2014, 01:24 AM ET
Narcolepsy is real, and serious — one of many sleep disorders that afflict Americans.
21 July 2014, 11:30 PM ET
Researchers have identified 83 new gene variants that are linked with the risk of schizophrenia, according to a new study. Many of the gene variations are common, and are found in healthy people, the researchers said.
21 July 2014, 07:00 PM ET
The HIV/AIDS community expressed sadness today over the loss of prominent AIDS researchers and activists who were aboard flight MH17, saying that the tragedy could also be a setback for research in the field.
21 July 2014, 05:28 PM ET
During extreme or unusual weather, Americans' political leanings seem to influence their Internet searches about the climate, new research suggests.
21 July 2014, 05:22 PM ET
Eating food with "good bacteria" or taking probiotics supplements may help reduce blood pressure, according to a new analysis.
21 July 2014, 05:16 PM ET
These animals are often kept as pets or farmed for their prized fur.
21 July 2014, 05:12 PM ET
Gazelles are a major food source for predators and rely on their speed to escape.
21 July 2014, 04:42 PM ET
Child sex trafficking crimes occur each day in the United States, and doctors can play a role in identifying victims, getting them care, and ultimately preventing such crimes, researchers say.
21 July 2014, 03:50 PM ET
Most Pacific islands will see dramatic change with sea level rise. Some low-lying islands could cease to exist. Many of Hawaii's roads and airports, sited on volcanic lowlands, are at risk from higher seas and stronger oceanic storm surges.
21 July 2014, 03:39 PM ET
Satellites have captured images of the scattered debris and charred wreckage where Malaysian Airlines Flight MH17 crashed in eastern Ukraine last week, killing all 298 people on board.