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Humans are still evolving, say scientists

Scientists have identified genetic variants less common in older people than younger people. They say it’s natural selection at work, continuing to …

Genetics

NASA's twin study throws up an early genetic curveball

Scientists have begun poring over some of the preliminary data from NASA's landmark twin-study, which looks at the genetic differences between …

3tags.org

Can you be too clean?

We take long showers, change clothes every day and wash our hands regularly. Is this doing us more harm than good?<p>What’s your routine? Do you shower every morning, or skip a few days? Do you change the bedsheets weekly, or only when they get smelly? How about your towels: New ones – like clockwork …

Microbiology

The Human Body's Complicated Relationship With Fungi

When it comes to the trillions of microorganisms that inhabit our bodies, bacteria get almost all the attention.<p>Changes in our resident microbiota and their collective genome — called the microbiome — have been linked with a wide range of diseases, from various forms of arthritis to depression. At …

Medicine

It’s a baby-planet! Scientists watch new planet being born from dust (VIDEO)

Scientists have witnessed an unprecedented space miracle: They saw a new planet being born right before their eyes. The phenomenon, which even …

Tuberculosis' Game Of Hide And Tweak

Researchers have uncovered a new way Mycobacterium tuberculosis may gain antibiotic resistance<p>If you’re looking for the perfect pathogen, you need look no further than <i>Mycobacterium tuberculosis</i>. This bacterium has been a scourge on human health for millennia and taken countless lives. Even today, …

Public Health

Five foot seven and claws out of its head: meet Earth's first big predator

Fossils of Pentecopterus decorahensis, which hunted in the oceans half a billion years ago, discovered in Iowa river bed<p>Earth’s first big predatory monster was a giant underwater scorpion that reigned in the ocean almost half a billion years ago, well before the dinosaurs, scientists have …

Dinosaurs
Federal Budget

Another Reason Not To Eat Sea Turtles: Antibiotic-Resistant Bacteria

Researchers have found some nasty microbes in turtles off the coast of Mexico<p>Turtles may not have gained the human fascination of other sea animals, particularly the shark, but these Triassic reptiles continue to be adored by many. In the wild, these creatures continue to be the target ecotourism …

Microbiology

A Common Hospital Infection May be Coming To Us From Food

One of the most common and troubling infections that occur in healthcare may come from an unexpected source, according to a new paper: from food. Yet because it is not one of the bacteria that we think of as disease-causing foodborne organisms, the size of the threat it poses, and the way it …

Now That We've Explored All The Planets, What's The Next Frontier?

Pluto is just the beginning<p>When I was growing up, there were nine planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. By 1989, all of those planets had been explored … except Pluto. Though it's no longer classified as a planet by some folks, Pluto …

Astronomy

100 million-year-old fossils shed new light on Australia’s ancient inland sea

The skull of a giant predator fish called cooyoo reveals its formidable teeth and massive jaw<p>The discovery of 100 million-year-old fossils in outback Queensland has shed new light on creatures from Australia’s ancient inland sea.<p>The skull of a giant predator fish called cooyoo, which revealed for …

Paleontology

With Sonar-Reflecting Leaves, Plant Lures Bats to Poo in it

Imagine a bat flying through the jungle of Borneo. It calls out to find a place to spend the night. And a plant calls back.<p>The plant in question is <i>Nepenthes hemsleyana—</i>a flesh-eating plant that’s terrible at eating flesh. It’s a pitcher plant and like all its kin, its leaves are shaped like upright …

Britain's first official astronaut to enjoy fine dining on space mission

Major Tim Peake will be eating meals inspired by Heston Blumenthal and British schoolchildren during his six month mission the International Space Station<p>Russian cosmonauts insist on tubes of space vodka, while the Chinese have invented a way to freeze dry sushi for their space missions.<p>But when …

A new study might make you look at your morning toast a little differently

If someone told you that you and a slice of bread have a common genetic heritage, you probably wouldn't believe it. Yet it's true.<p>As it turns out, yeast and human genes go way, way back: About a billion years ago, we had a common ancestor. Today, yeast and humans still share about 4,000 genes in …

Genetics

Seeing Eye to Microscopic Eye

The eye is an organ of extreme perfection. I have a strong interest in evolution, and eyes have developed stunning adaptations over time. This mayfly (above) is a male with what are called turban eyes—greatly enlarged eyes at the top of the head in the shape of a turban. The male uses his eyes to …

Small DNA changes separate chimp and human brains

Modern humans share about 95% of their genetic code with chimpanzees. Yet human brains, and what we do with them, are vastly different.<p>In the decade since the human genome was mapped, researchers have identified hundreds of small regions that differ between humans and fellow primates. Many show …

How Nasa saw space stations of the future in 1970

Once upon a time, on a planet called Earth, in a place called the USA, folks knew what space stations were suppose to look like.<p>If they weren't big …

Voyager 1 is officially the first manmade object to enter interstellar space

Hedging controversy, NASA also announced that the probe is still in the solar system<p>In 2012, NASA's Voyager 1 probe became the first man-made object to leave the solar system, catapulting itself into the farthest reaches of the universe ever touched by humans — or, it didn't. Determining the exact …

Drones Enlisted in China’s ‘War on Pollution’ - TIME

China has a novel approach to addressing its air pollution issues: drones.<p>In the country’s first aerial pollution-monitoring efforts, China deployed …

Pollution

Satellites Could Predict Floods Months Ahead Of Time

You can look at the crick and read the almanac, but that ain't the best way to predict when a flood is a-comin'.<p>In the spring and summer of 2011, the Missouri River swelled past its banks, reaching a high-water mark not seen in decades. Flooding persisted from May to August, causing $2 billion in …

Weather

This Spider Disguises Itself As Bird Poo To Avoid Getting Eaten

Animals have evolved lots of creative ways to blend in with their environments, developing colors or body types that help them hide from predators. But sometimes, camouflage isn’t enough, and a creature has to masquerade as something else. Some creatures pretend to be an object that no animal would …

A Crazy Size Comparison Of Sci-Fi's Greatest Ships [Infographic]

The _Star Wars _vessels are puny compared to the ship from _Independence Day. _<p>Being a small child, I often think to myself: <i>What if the _Star Wars _spaceships got into a fight with the ships from _Star Troopers</i>? _Thanks to this infographic from DeviantART user Dirk Loechel, I finally have an …