discoveries

Read the latest news stories about recent scientific discoveries on Newser.com

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Study: Marijuana Use and Abuse Has Doubled

Nearly 10% of Americans reported using pot in 2013, says study

(Newser) - The number of people using marijuana has more than doubled since 2001, according to a report published Wednesday in JAMA Psychiatry, which found the number of people reporting addiction or abuse of pot nearly doubled as well. The study—based on National Epidemiologic Survey on Alcohol and Related Conditions interviews...

11 Moles the Not-So-Magic Number for Melanoma

More than that on the right arm could mean higher risk

(Newser) - This year will see almost 10,000 deaths in the US from melanoma, with nearly 74,000 new cases diagnosed. But most skin cancers, including melanoma, are curable if caught and treated early , which is why doctors are anxious to ID them ASAP. Researchers at King's College London say...

10 Best Jobs for Balancing Work and Play

Data scientist tops the list, with a nice salary to boot

(Newser) - How happy are you with your time spent in and out of the office? If you fall within the average, there's probably room for improvement. The employee rating of work-life balance has been falling steadily over the last five years and this year sits at a rating of 3....

Search Begins for Alien Signals Near Bizarre Star

The Allen Telescope Array is all fired up and looking for life

(Newser) - SETI's wide-range telescope is powered up and trained on KIC 8462852—the curious star in the North Hemisphere that's emitting an odd light pattern . The Allen Telescope Array, located a few hundred miles northeast of San Francisco, is actively hunting for alien signals coming from the star's...

In Their Hearts, Men, Women Age Differently

Heart disease may need to be treated differently in men and women

(Newser) - Even the hearts of men and women age differently, a finding that could have implications in treating heart disease. So report Johns Hopkins University researchers in the journal Radiology after they combed through the results of a longitudinal study following nearly 3,000 men and women for, on average, nearly...

Scientists Figure Out Origin of Man's Best Friend

Doggy DNA traces origins to Central Asia 15K years ago

(Newser) - Your best pal may have come a long way to curl up at your feet: A new DNA study of more than 5,000 dogs from 38 countries finds they probably originated in Central Asia, or Mongolia and Nepal more specifically, at least 15,000 years ago, reports the BBC...

Ancient Crystals Rewrite 300M Years of History

Life may have started 'almost instantaneously'

(Newser) - Life of one kind or another has been around on this planet for 300 million years longer than thought, according to US researchers who took a close look at some incredibly ancient crystals unearthed in Australia. The scientists say that the zircon crystals from 4.1 billion years ago contain...

Verdict In on Whether Lee Harvey Oswald Pic Is a Fake

3D imaging by Dartmouth scientists shows backyard photo is for real

(Newser) - For decades, conspiracy theorists have claimed the famous "backyard photo" of Lee Harvey Oswald, which shows him holding the same type of rifle used to assassinate JFK, is a fake—a claim that Oswald himself made when he was arrested. But thanks to a scientist who has studied this...

Pendulum Swings: Study Says No Booze While Pregnant

Despite what you may have read to the contrary

(Newser) - Recent studies have suggested drinking while pregnant might not be as dangerous as women have long been led to believe, or may even be beneficial —but, troubled by these plus other recent studies finding that a surprising number of women do imbibe while pregnant , the American Academy of Pediatrics...

Is Crossing Your Legs Actually Bad for You?

Probably not, as long as you don't sit in the same position until your legs are numb

(Newser) - If you sit with your legs crossed on a regular basis, it might be time to stop feeling so guilty about it. While there are a few specific exceptions, crossing one's legs at the knee or the ankle doesn't appear to be as bad for our health as...

Schizophrenia Treatment Sees a Simple Breakthrough

Early intervention has caught on in Australia and the UK

(Newser) - When Glenn, a smart high school student with a knack for building robots, began experiencing episodes of psychosis, he was diagnosed with schizophrenia and given a grim prognosis. He was prescribed medications and saw therapists, "But the common message from virtually everybody who worked with Glenn was that his...

400-Year-Old Church Emerges in Reservoir

The Temple of Santiago gets a breath of air

(Newser) - Huh, this wasn't there last year—a 16th-century church emerging from the waters of a Mexican reservoir. But it actually makes sense, because drought has caused the water level to fall 82 feet in the Nezahualcoyotl reservoir, revealing a church that was flooded during construction of a dam nearly...

Hangovers Cost US Employers $77B a Year
Hangovers Cost US Employers $77B a Year
STUDY SAYS
Oct 18, 2015 10:10 AM CDT

Hangovers Cost US Employers $77B a Year

And $249B to the US economy overall: CDC

(Newser) - A splitting headache is exactly what too much drinking is causing America—both in the people who imbibe and in the US economy. A CDC study says that US employers lost $77 billion in 2010 thanks to workers' impaired productivity due to excessive alcohol abuse—a number that jumps to...

Maybe You Don&#39;t Need 8 Hours of Sleep After All
Maybe You Don't Need 8 Hours of Sleep After All
in case you missed it
Oct 18, 2015 7:04 AM CDT

Maybe You Don't Need 8 Hours of Sleep After All

New research sheds light on sleeping patterns of our ancient ancestors

(Newser) - You've heard of the Paleo diet, but the next big thing in health may well be the Paleo sleep schedule. A UCLA researcher studied three hunter-gatherer and hunter-farmer groups—the Hadza in Tanzania, San in Namibia, and Tsimane in Bolivia, "who live roughly the same lifestyle humans did...

Thomas Jefferson's Lost Chemistry Lab Found

The 200-year-old chemical hearth was preserved by accident

(Newser) - A worker renovating the Rotunda at the University of Virginia made an unexpected discovery when he crawled through a hole in the wall: part of a chemistry lab partly designed by Thomas Jefferson nearly 200 years ago, the Charlottesville Newsplex reports. The brick chemical hearth—one of the only remaining...

It&#39;s Not the Sitting That&#39;s Killing You
 It's Not the Sitting 
 That's Killing You 
in case you missed it
Oct 17, 2015 12:30 PM CDT

It's Not the Sitting That's Killing You

It's the lack of movement, so physical activity can help: study

(Newser) - The UK's National Health Service says desk jockeys should get up and move every 30 minutes to avoid an increased risk of diabetes, cardiovascular problems, and premature death attributed to too much sitting. A new study , however, suggests that may not be necessary. Why? The risk of early death...

Photo, Note About Titanic Iceberg Emerge

They're both going up for auction

(Newser) - A photo of what could be history's deadliest iceberg is up for auction after spending nearly a century on a wall in the offices of the law firm that represented the Titanic's owners. There are other photos in existence of the iceberg believed to have sunk the huge...

Skull of Man Who Vanished 'Into the Wild' Is Found

Jack McAtee was reportedly last seen in September 2014 in Frisco

(Newser) - Jack McAtee crashed his car into a reservoir in the mountains of Colorado on Sept. 18, 2014. He survived with only a scratch and told a police officer he'd fallen asleep at the wheel. The officer suspected the crash might've been intentional and the 27-year-old spent a night...

&#39;Eyewitness Painting&#39; of Lincoln&#39;s Death Gets a New Life

 New Faces Revealed 
 in Lincoln Death 
 Painting 
in case you missed it
Oct 17, 2015 8:26 AM CDT

New Faces Revealed in Lincoln Death Painting

One-of-a-kind work by Carl Bersch is being restored

(Newser) - The sole "eyewitness painting" of Abraham Lincoln's murder is finally being restored—a process that's revealing haunted faces and the figure of a dying president, the Smithsonian reports. Painted by German immigrant Carl Bersch, who happened to be sketching a Union victory parade that night, "Lincoln...

It's Scientifically Better to Be Born in Summer

Summer babies grow taller, are generally healthier: study

(Newser) - There's more reason to be jealous of summer babies than all those birthday parties by the pool: They may be healthier adults, according to a new study. University of Cambridge scientists surveyed roughly 500,000 Britons aged 40 to 69 for their birth dates, height, weight, and the age...

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