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Scientists Find 'Super Cool' Way to Spy on Insects

'Super Cool' Mapping
Tracks Down Tiny Invaders

NEW STUDY

Apr 2, 2024 2:11 PM CDT

'Super Cool' Mapping Tracks Down Tiny Invaders

Airborne laser mapping could speed tracking of invasive insects, study finds

(Newser) - Scientists in search of insects can spend 1,000 hours checking roughly 10,000 trees across 40 acres. Or, with a more convenient approach, they can do the same in about an hour. More and more, researchers are turning to remote sensing technology to ease the burden of searching landscapes...

Obese Kids Claim Higher Risk for MS Than Others

Obese Kids May
See More Risk of MS

NEW STUDY

Mar 29, 2024 9:02 AM CDT

Obese Kids May See More Risk of MS

Children with obesity had more than double the risk of a multiple sclerosis diagnosis than slimmer kids

(Newser) - Scientists have long suspected that childhood obesity could play a role in the development of multiple sclerosis down the line, but now they appear to have verification, according to a new study. Per the Guardian , research out of Sweden's Karolinska Institute has found that kids who were obese had...

How Much Does Fido Get Beyond 'Sit'? Scientists Weigh In

What Does a Dog
See in Its Mind When
You Say 'Ball'?

NEW STUDY

Mar 29, 2024 8:09 AM CDT

What Does a Dog See in Its Mind When You Say 'Ball'?

Scientists cite pups' 'referential understanding,' with mental images hinting at deeper grasp of language

(Newser) - Many dog owners believe their pets understand and respond not only to commands such as "sit" and "stay," but also to words referring to their favorite objects. "Bring me your ball" will often result in exactly that. But science has had trouble determining whether dogs and...

Think Your Lab Is Too Chunky? There's a Reason

For These Dogs, a 'Double
Whammy' on Chonking Out

NEW STUDY

Mar 23, 2024 5:30 AM CDT

For These Dogs, a 'Double Whammy' on Chonking Out

Labradors, other flat-coated retrievers have genetic mutation that predisposes them to obesity

(Newser) - Every pet owner has to take care to keep their furry friends happy, healthy, and at a safe weight. For those who have a Labrador or flat-coated retriever in their charge, however, that last task might prove a bit more difficult. That's due to a "double whammy" with...

These Sharks Don't Seem to Mind Global Warming

Amid 'Grim Global Outlook,'
This Shark Species Thrives

NEW STUDY

Mar 18, 2024 2:25 PM CDT

Amid 'Grim Global Outlook,' This Shark Species Thrives

Juvenile bull shark population off Alabama grew fivefold in past 20 years as water temps warmed

(Newser) - The frog hasn't noticed it's slowly boiling to death, and neither do bull sharks off the coast of Alabama, apparently. Or, if they do, they're going out with a bang, multiplying at a rate that has brought the juvenile population's numbers up fivefold over the past...

The Globe's Leading Ailments Are in Our Heads

The Globe's Leading
Illnesses Are in Our Heads

NEW STUDY

Mar 18, 2024 9:13 AM CDT

The Globe's Leading Illnesses Are in Our Heads

Neurological conditions like stroke, dementia affect 43% of global population, per new research

(Newser) - The leading cause of all ill health and disability around the globe isn't cancer or heart disease—it's a wide umbrella of neurological conditions, ranging from migraines to strokes, dementia, or Parkinson's, among other maladies. Per a new study published Thursday in the Lancet , scientists found that...

Teens Have a New Marijuana
Workaround: 'Diet Weed'

NEW STUDY

Mar 13, 2024 12:00 PM CDT

Teens Have a New Marijuana Workaround: 'Diet Weed'

Researchers say 'appreciable' number of high school seniors are using delta-8, a cannabis compound

(Newser) - In some states, pot hasn't yet been legalized, and even in states where it has been, you have to be 21 to legally consume it. But teens across the US have found a workaround of sorts—a less-potent, more readily available form of THC, or tetrahydrocannabinol, the psychoactive compound...

Future Space Criminals
Will Face 'Astroforensics'

NEW STUDY

Mar 12, 2024 1:18 PM CDT

Future Space Criminals Will Face 'Astroforensics'

Crime scene investigator Zack Kowalske has been testing blood spatters in zero gravity

(Newser) - The emerging field of astroforensics will be called upon whenever humanity faces its first murder in space. Until that time, Zack Kowalske, a crime scene investigator in Atlanta, says "broadening the understanding of all forensic sciences in nonterrestrial environments is critical as we expand into a space-faring species."...

Got Milk? This
Amphibian Does

NEW STUDY

Mar 8, 2024 9:18 AM CST

Got Milk? This Amphibian Does

Scientists say wormlike caecilians offer this surprising sustenance to their young, like mammals

(Newser) - Researchers already knew that baby ringed caecilians, a wormlike amphibian that lives burrowed underneath the earth, gain some of their nutrition by feeding on the skin of their own mother once or twice a week. But when a team out of Brazil studying the creature (also known as Siphonops annulatus)...

ADHD May Have Been
Evolutionary Advantage

NEW STUDY

Feb 22, 2024 12:33 PM CST

ADHD May Have Been Evolutionary Advantage

Study involving online berry-picking suggests ADHD is 'adaptive specialization for foraging'

(Newser) - Traits associated with attention-deficit/hyperactivity disorder (ADHD) can include difficulty concentrating, hyperactivity, and impulsiveness. Though such traits are often viewed negatively, it really depends on the environment. Research has backed the "evolutionary mismatch" theory that argues traits of neurodivergence, though perhaps disadvantageous in our hyperstimulated modern world, provided an evolutionary...

This Is the
Fastest-Growing
Black Hole Ever
Discovered

NEW STUDY

Feb 19, 2024 11:52 AM CST

This Is the Fastest-Growing Black Hole Ever Discovered

'This quasar is the most violent place that we know in the universe,' says lead scientist

(Newser) - Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. As the AP reports, the record-breaking quasar shines 500 trillion times brighter than our sun. The...

Big Cats Are
Like Pet Cats
in One Big Way

Big Cats Are Like Pet Cats in One Big Way

Familiar human voices draw longer, more intense responses than unfamiliar ones, researchers show

(Newser) - Domestic cats can tell their owner's voice apart from other humans, and apparently their larger cousins have that same capability, according to new research out of Michigan's Oakland University. In the study published Thursday in the PeerJ—Life and Environment journal, scientists wanted to see if tigers, cheetahs,...

Viagra Study
Provides 'Food
for Thought'

Viagra Study Provides 'Food for Thought'

Researchers find correlation between Viagra prescriptions, lowered Alzheimer's risk

(Newser) - It's an intriguing study that provides "food for thought," as its lead author puts it. Researchers found men who'd been prescribed Viagra and similar PDE5 inhibitor drugs were 18% less likely to develop Alzheimer's over a five-year period than those who hadn't been prescribed...

Scientists Followed
20 Polar Bears.
Their Findings Are Grim

NEW STUDY

Feb 14, 2024 10:55 AM CST

Scientists Followed 20 Polar Bears. Their Findings Are Grim

The creatures are starving as climate change causes ice melt and they can't access main prey

(Newser) - Imagine being a nursing mom who can't produce milk because you're starving, or trying to swim more than 100 miles after not eating for days. Those are just a couple of the scenarios Time notes are now plaguing polar bears in the Arctic as sea ice continues to...

Dino 'From Hell' Suggests
There Was No Decline

NEW STUDY

Feb 1, 2024 12:50 PM CST

Dino 'From Hell' Suggests There Was No Decline

New caenagnathid species, and a possible second, suggest this dino family was doing fine

(Newser) - Paleontologists have been debating whether the asteroid that killed non-avian dinosaurs took out a varied group of thriving reptiles or one already in decline . Now, researchers say they've discovered a new dinosaur species whose very existence disputes the latter argument. The argument is largely based on apparent declines in...

Medical Miscue May Have
Given Patients Alzheimer's

NEW STUDY

Jan 30, 2024 11:49 AM CST

Medical Miscue May Have Given Patients Alzheimer's

Study suggests disease was triggered by human growth hormone shots derived from cadavers

(Newser) - Doctors once sought to make very short children taller by injecting them with growth hormone taken from the brains of dead people. The procedure was banned 40 years ago—and cadaver-derived pituitary growth hormone (c-hGH) replaced with a synthetic version—when scientists discovered patients had also received bits of protein...

For These Alzheimer's Patients,
the Eyes Offer a Clue

For These Alzheimer's Patients, the Eyes Offer a Clue

Vision issues may be early sign of posterior cortical atrophy, a rare form of the disease

(Newser) - Alzheimer's patients typically begin to show signs they have the disease via memory issues, but for some patients, an early warning sign arrives another way. Per the Washington Post , there's a rare variant of the condition, called posterior cortical atrophy , in which patients start having vision problems early...

In States With
Abortion Bans,
This Number
Stands Out

NEW STUDY

Jan 25, 2024 7:21 AM CST

In States With Abortion Bans, This Number Stands Out

There were 520K rapes in 14 states, resulting in 64K pregnancies

(Newser) - In September 2021, Texas Gov. Greg Abbott insisted that his state's strict six-week abortion ban was adequate time for women to obtain an abortion, and that he would "eliminate all rapists" in his state, implying that pregnancies from rape in Texas would eventually no longer be an issue....

State Stumps Bigfoot Research

new study

Jan 24, 2024 6:10 PM CST

State Stumps Bigfoot Research

Analysis ties sightings to bear population but can't explain Florida

(Newser) - The black bear has long been a potential suspect in Bigfoot sightings. The size fits, as a bear can go about 7 feet tall when standing on two legs. And researchers have pointed out before that sasquatch sightings have been heavy in areas with lots of black bears . This study...

Wearing Hearing Aids
Could Be a Lifesaver

NEW STUDY

Jan 13, 2024 7:45 AM CST

Wearing Hearing Aids Could Be a Lifesaver

Study found the devices could reduce risk of early death by 24%

(Newser) - People with hearing loss overwhelmingly opt not to wear hearing aids, but a new study makes a strong case for scheduling a trip to the ENT. While the benefits hearing aids can contribute to long-term health have long been established, research now suggests that people who wear them are more...