Heesung Kevin Park

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Synthetic Stingray May Lead To A Better Artificial Heart

Scientists have created a synthetic stingray that's propelled by living muscle cells and controlled by light, a team reports Thursday in the journal <i>Science</i>.<p>And it should be possible to build an artificial heart using some of the same techniques, the researchers say.<p>"I want to build an artificial …

Fish

Segway creator's advanced prosthetic arm arrives in late 2016

Segway creator Dean Kamen's Luke prosthetic arm has been a long time in coming -- the FDA approved it two years ago. At last, however, it's nearly here. Mobius Bionics has revealed that it will offer the Luke arm sometime in late 2016. It's not clear what it will take to get one (you can register …

Bacteria 'windfarms' could be used to power tiny machines

Tiny man-made machines could be powered by the movement of bacteria, a group of researchers has said.<p>The natural movement of bacteria and the chaotic …

Oxford University

Exploring Breast Cancer Cells In Virtual Reality Could Help Fight The Disease

Just don't forget to dodge incoming particles<p>It's the <i>Magic School Bus</i> for breast cancer: A team at the University of New South Wales in Sydney, Australia, designed a VR simulation to explore cancer cells.<p>Drug particles float by and crash near your virtual feet to be absorbed into the cell's …

Scientists Are Finally Figuring Out Why You Only Get Mitochondrial DNA From Your Mum

Sorry, dads.<p>Your relatives probably can’t stop talking about how much you look like your mum or your dad, but the truth is, while you might have …

Biology

Brain Science Has Finally Figured Out How to Help Athletes Train 50 Percent Faster

By targeting specific areas of the brain, this headphone helps athletes pick up training regimens faster.<p>A new headphone is helping athletes train for their sport 50 percent faster.<p>The technology, based on the concept of neuropriming, is already helping the military to train fighter pilots and …

The Brain

Small Trial Shows Memory Loss From Alzheimer's Disease Can Be Reversed

This is incredible.<p>A small clinical trial of 10 patients with early Alzheimer’s disease has shown that the memory loss and cognitive impairment can …

Scientists Accidentally Created Nanorods That Harvest Water From The Air

This is so cool.<p>Incredible scientific discoveries happen all the time when researchers haven't been looking for them, and new nanorods that harvest …

Engineering

Researchers May Have Just Discovered What Really Makes You Happy

Do you know what makes you joyful? Maybe you think it's a vacation, a promotion or a new car. Perhaps it's a night in with your spouse, a good book or some time with your dog.<p>In reality, it's none of these things. However, researchers do believe that what makes us happy can be summed up by this …

Happiness
Middle East

Scientists Just Discovered Where HIV Began

Birthplace of the disease that won't die.<p>Diseases, while disastrous, often come and go in the public eye. We hear about ebola, but then another one …

University of Oxford

Earth - There are microbes that eat and poo nothing but electricity

Some microbes have developed the ultimate stripped-down diet. They do not bother with food or oxygen. All they need to survive is pure electrical energy.<p>They often live in muddy seabeds or along the banks of rivers. Finding them is easy: biologists can coax them out of hiding by sticking an …

Chemistry

6 Things to Know about Mass Shootings in America

<i>Editor’s Note: This story was first published in 2016 and was updated after the 2017 Las Vegas shooting.</i> <i>It is being resurfaced following</i> <i>a mass</i> …

Guns

Orlando Massacre Exposes Need for More Gun Control, Not More Counterterrorism

Once again, a mass shooting has erupted in the United States, this time in Orlando, Florida, where a gunman reportedly killed more than 50 people in …

Guns

Top 10 Rules You Must Follow To Lose 10 Pounds

Experts say the key to losing weight—and actually keeping off the weight—isn’t a crash diet or starving yourself. Rather, it’s making long-term …

Solar Is Going to Get Ridiculously Cheap

Solar will become the cheapest source to produce power in many countries over the next 15 years, according to a new report from Bloomberg New Energy …

Solar Power
Terrorism

Obama warned of a massive loophole in US gun laws for terrorists just 12 days before the Orlando shootings

The gunman, 29-year-old Omar Saddiqui Mateen, a US citizen, reportedly pledged allegiance to the Islamic State, the terrorist group also known as ISIS, ISIL, or Daesh, during the shooting.<p>President Barack Obama called the massacre "an act of terror and an act of hate."<p>He also used the incident to …

Guns

Scientists just confirmed there's a second layer of information hidden in our DNA

That's something biologists have known for years, and they've even been able to figure out some of the proteins responsible for folding up DNA. But now a group of physicists have been able to demonstrate for the first time through simulations how this hidden information controls our evolution.<p>Let's …

Genetics
Medicine

The explosion in overdoses from legal drugs is changing how doctors treat pain — but it may not be enough

Legal prescription opioids like Oxycontin and Percocet, as well as illegal opioids like heroin, were involved in 60% of those deaths, according to a January report from the Centers for Disease Control and Prevention.<p>The overdoses have led the federal government to dub opioid abuse an epidemic.<p>The …

Prosthetics

Record hot years near impossible without manmade climate change – study

New calculations shows there is just a 0.01% chance that recent run of global heat records could have happened due to natural climate variations<p>The world’s run of record-breaking hottest years is extremely unlikely to have happened without the global warming caused by human activities, according to …

Climate Change

Something strange is happening with American births that started 30 years ago

That's a very slight increase from 2013, which saw a rate of 33.7 sets of twins per 1,000 births. But, more importantly, it's the culmination of three decades' worth of rising twin birth rates—in 1980, only 18.9 sets of twins were born per 1,000 births, according to the CDC.<p>What's causing the …

Fertility Treatment

Targeting Muslims Is the Real Threat to Peace

Years from now, historians will likely look back at this period in American history as one of heightened prejudice amongst a significant portion of the public and shortsightedness amongst many political leaders. You do not even have to stretch the rhetoric of some Republican presidential candidates …

Middle East

A Harvard psychiatrist says 3 things are the secret to real happiness

Psychiatrist Robert Waldinger is the director of the Harvard Study of Adult Development, one of the longest and most complete studies of adult life ever conducted. Waldinger described some of the secrets to happiness revealed by the study in a recent TED talk.<p>The study followed two cohorts of white …

Psychology

Amazon Shows Off New Delivery Drones With 'Top Gear's' Clarkson

New hybrid drone has 15-mile range and will be first in a new family of drones<p>As far-fetched as it sounds, the era of drones delivering packages is about to begin, according to Amazon. Earlier today, the company released a new ad on YouTube showing controversial British TV host Jeremy Clarkson …

A Harvard scientist who's studied coffee for 20 years explains why the drink is amazing

Dr. Frank Hu just finished a 20-year study on the effects of coffee on the human body. People who drink more coffee it turns out, live longer.<p>Specifically, Hu's study found that coffee-drinkers have lower risks of cardiovascular and neurodegenerative diseases, as well as suicide.<p>The research began …

Coffee

Scientists Say People Who Drink Coffee Every Day Live Longer

Science has revealed some interesting facts about coffee consumption. If you have been debating on whether that second or third cup is going to help …

Leading Harvard physicist has a radical new theory for why humans exist

For example, an astrophysicist might say that the chemical components of our bodies were first forged in the nuclear fires of stars.<p>On the other hand, an evolutionary biologist might look at the similarities between our DNA and that of other primates' and conclude we evolved from apes.<p>Lisa Randall, …

Dark Matter

Are you a nail biter? A hair twister? Or always late? 4 tips for breaking bad habits

Whoever came up with the expression "drop like a bad habit" most likely never tried to stop biting their nails. So-called nervous habits are considered cousins of compulsive disorders. "Some people would define these habits as obsessive behavior," says psychotherapist Richard O'Connor, author of …