Christina Roundtree

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Ebola outbreak declared in Democratic Republic of Congo

<b>(CNN) —</b> The government of the Democratic Republic of Congo declared an outbreak of Ebola hemorrhagic fever, a rare and deadly disease, on Tuesday, the World Health Organization reported. The declaration came after laboratory results confirmed two cases of the disease in the province of Bikoro in …

Disease

We still can’t predict major earthquakes

Detection systems pick up even minor earthquakes, but can’t tell us if they will get bad more than a few seconds before.<p>When an earthquake strikes …

Geology

Iceland Ice Cores Date Medieval Volcano

CAMBRIDGE, ENGLAND—According to a <i>Live Science</i> report, researchers led by volcanologist Clive Oppenheimer of the University of Cambridge examined ice …

Archaeology

Massive Oil Fields in Texas Are Heaving, Sinking, And Opening Up Like Mouths

4,000 square miles of geohazard.<p>It began with sinkholes. Two of them, gaping mouths to nowhere opening up as if to swallow the town of Wink, Texas. …

Oil

Secrets buried within ancient crystal reveal origin of African continent

Our understanding of tectonic movement and a quick look at a map of the globe shows us that our continents can never be called truly stable, and now …

This Is Why You Don't See People-Size Salmon Anymore

While the orcas of Puget Sound are sliding toward extinction, orcas farther north have been expanding their numbers. Their burgeoning hunger for big fish may be causing the killer whales' main prey, chinook salmon, to shrink up and down the West Coast.<p>Chinook salmon are also known as kings: the …

Aquaculture

Scientists put human cells in a sheep embryo. Here's what that means.

Researchers have successfully incorporated human cells into a sheep embryo — the first step in a process that they hope may one day allow them to …

Keeping A Close Eye: Dogs, Social Referencing, And Evolution

When humans talk to each other or walk alongside each other, we tend to match each other's subtle movements.<p>Called interpersonal movement synchrony in the science literature and mirroring in the popular media, it's an often-unconscious process during which we match our gestures and pace to that of …

Two-way communication is possible with a single quantum particle

One photon can transmit information in two directions at once.

Inside the fight over the sugar conspiracy

‘To boil it all down to the sugar industry, in our view, it doesn’t capture the whole picture’<p>In a paper published in <i>JAMA Internal Medicine</i> in 2016, researchers suggested that in the 1960s, the sugar industry paid scientists to obscure the relationship between sugar and heart disease, derailing the …

Ancient cave paintings turn out to be by Neanderthals, not modern humans

A new analysis shows ancient cave paintings were too old to have been painted by modern humans<p>A new discovery that Neanderthals were painting cave walls more than 64,000 years ago has anthropologists rethinking the history of art. Found deep in Spanish caves, the rock art was once thought to be the …

Anti-bacterial wipes pointless as bugs grow back in 20 minutes, scientist says

Anti-bacterial wipes only eradicate bacteria from kitchen surfaces for 20 minutes and using them to keep germs at bay is "an absolutely redundant" exercise, a scientist has said.<p>Dr Clare Lanyon, a biomedical scientist from Northumbria University in Newcastle upon Tyne, said consumers may be wasting …

New research links human consciousness to a law that governs the universe

Human Entropy<p>Our species has long agonized over the concept of human consciousness. What exactly causes it, and why did we evolve to experience …

‘Black Lightning’ Is the Black Superhero Television’s Been Waiting For

The new CW series will blow you away.<p>Black Lightning debuted in the pages of DC Comics in April 1977 as their first starring black superhero. He was …

Amazon Chooses 20 Finalists for Second Headquarters

SEATTLE — Like a college applicant waiting for that special message in the mail, officials in Boston got what they wanted on Thursday: a cryptic four-sentence note informing them that the city made the finals in its bid to host Amazon’s second headquarters.<p>“We would like to move Boston forward in …

Enterprise Tech

Five things you should know about this year’s very bad flu

The nation is having a terrible, horrible, no good, very bad flu season.<p>Flu is widespread in 46 states, according to reports to the Centers for Disease Control and Prevention.<p>Nationally, as of mid-December, at least 106 people had died of the infectious disease.<p>In addition, states across the …

Physicists Say They've Created a Device That Generates 'Negative Mass'

Say what?<p>Physicists have created what they say is the first device that's capable of generating particles that behave as if they have negative …

We Finally Know Why The Caspian Sea Is Evaporating Off The Face of The Planet

It could disappear.<p>Like a puddle under hot sunshine, the world's largest inland body of water is shrinking in the face of heat – in this case, a …

There's even more evidence that one type of exercise is the closest thing to a miracle drug that we have

Want an all-natural way to lift your mood, improve your memory, and protect your brain against age-related cognitive decline?<p>Get moving.<p>A wealth of recent research, including a new study published this month in the Journal of Alzheimer's Disease, suggests that any type of exercise that raises your …

Sunscreen made from DNA would last forever

Earth's yellow sun is the source of its power.<p>A DNA-based sunscreen that not only stops harmful ultraviolet (UV) light, but also becomes more protective the longer you expose it to UV rays? That’s the dazzling premise behind a recent study published in the journal <i>Science Reports</i>.<p>While sunscreen …

When you watch the eclipse, keep an eye out for diamonds in the sky

It’s from a ray of sunshine peeking through a lunar valley.<p>The Moon isn't just some big round rock: it has mountains and valleys. And during a total solar eclipse, you can actually see the sunlight cutting a path through that lunar terrain.<p>As you may already know, a broad swath of the United States …

How Many Glasses of Water Should We Drink a Day?

Based on the potential benefits of proper hydration such as reduced bladder cancer risk, how many cups of water should we strive to drink every day?

Sorry, Scaramucci, Earth Is MUCH Older Than 5,500 Years

In a 2016 interview with CNN, Anthony Scaramucci — President Donald Trump's former White House communications director — said that Earth, as well as …

Anthropology

A visual explanation of quantum mechanics

From the ViaScience YouTube channel comes this 31-part video explainer of quantum mechanics. As the introduction video notes, there is a fair bit of …

Quantum Mechanics

New study shows your face can reveal if you’re rich or poor

We already know that what we wear and what we own can give away where we stand on the social ladder. But apparently there are parts of our …

Psychology

We can now design humans — but should we?

Scientists in Portland, Oregon, just succeeded in creating the first genetically modified human embryo in the United States, according to Technology Review. A team led by Shoukhrat Mitalipov of Oregon Health & Science University is reported to “have broken new ground both in the number of embryos …

Half of Our Atoms May Come From Other Galaxies

In the early 1980s, astronomer Carl Sagan famously said during his television show <i>Cosmos:</i> “We are all made of star stuff.”<p>That’s not just some …

Jupiter is so big it does not actually orbit the sun

But each time I read it to her — sometimes three or more times a day — I furrow my nerdy brow at this line: "Of all the planets that circle the sun, giant Jupiter is the biggest one."<p>The gas giant is indeed the largest planet in the solar system, weighing more than twice the mass of all the other …