scientific study – News Stories About scientific study - Page 22

Apr 18, 2012 5:05 PM CDT

Scientists Grow Human Hair on Mouse

But tests on humans are probably a decade away

(Newser) - Bald people may have new hope for getting back those flowing locks. Japanese scientists have regenerated hair growth on bald mice, reports the Wall Street Journal . The researchers injected the follicle cells of a hairy mouse into the follicles of a bald mouse, and within three weeks, 74% of the...

Holding a Gun
Makes You
Look Bigger

Apr 13, 2012 2:41 PM CDT

Holding a Gun Makes You Look Bigger

Appearance of physical power increases when holding a weapon: Study

(Newser) - A person wielding a gun appears bigger and brawnier than a person without a gun, according to a new UCLA study. Researchers showed photographs of hands clutching guns, power drills, handsaws, and other tools to test subjects and then asked them to guess the size and muscularity of the person...

How Old Is
That Giraffe?
Check Its Spots

Apr 11, 2012 3:24 PM CDT

How Old Is That Giraffe? Check Its Spots

They get darker around the time of puberty

(Newser) - You can tell how old a male giraffe is by looking at its spots, according to a new study. Researchers looked at 33 years of data on Thornicroft giraffes in Zambia and discovered that the level of darkness of the animal's brown blotches reveals its age, reports BBC Nature...

Autism Tied to
Gene Mutations
for First Time

Apr 5, 2012 9:26 AM CDT

Autism Tied to Gene Mutations for First Time

'It's a turning point,' says one scientist

(Newser) - Big autism news: A number of gene mutations linked to the disease have been uncovered for the first time, announced a number of scientists in three papers published yesterday. The sobering detail: These particular mutations are super rare, and are responsible for only a very small number of autism cases....

Early Humans Found
Unique Way to Get
Woolly Mammoth

study says

Apr 4, 2012 2:42 PM CDT

Early Humans Found Unique Way to Get Woolly Mammoth

Fossil suggests they stole prey from lions, say scientists

(Newser) - Prehistoric humans may have sliced up woolly mammoths for dinner after stealing them from lions. Markings on a mammoth fossil show evidence of both human and lion involvement, reports the BBC . Researchers examined an "exquisitely preserved" carcass of a young woolly mammoth that still has its teeth, tusks, and...

Milky Way Has
Tens of Billions
of Habitable Planets

study says

Mar 28, 2012 3:36 PM CDT

Milky Way Has Tens of Billions of Habitable Planets

These super-Earths are all over the galaxy, say scientists

(Newser) - Could aliens be hanging out in the Milky Way? A new discovery by astronomers shows they'd have plenty of possible homes in the galaxy, reports Reuters . The researchers found that tens of billions of planets reside in a habitable zone close to a star, allowing water to flow on...

Fatigue Can
Make You Fat

study says

Mar 16, 2012 7:47 PM CDT

Fatigue Can Make You Fat

Tired research subjects ate hundreds more calories per day

(Newser) - You better be sleeping enough or you'll plump up, say scientists: Tiredness and sleep-deprivation may lead to snacking. A new study by the Mayo Clinic found that people who got less sleep than a normal night consumed hundreds more calories the next day compared to people who get a...

High-Fat Diet
Lowers Sperm Count

study says

Mar 14, 2012 5:01 PM CDT

High-Fat Diet Lowers Sperm Count

Saturated fats take the biggest toll in study

(Newser) - It's more bad news for fat. A new study shows men who eat large amounts of fatty foods, especially saturated fats common in meat and dairy products, had lower sperm production and concentration. A diet consisting of 37% or more of fat calories or just 13% or more of...

Thoreau's Journals
Help Track Climate Change

Mar 14, 2012 2:26 PM CDT

Thoreau's Journals Help Track Climate Change

Spring comes about 10 days earlier now in Concord, Massachusetts: Study

(Newser) - Henry David Thoreau has come to to the rescue of scientists seeking valuable climate data. The Walden author kept meticulous notes of flowering patterns in Concord, Massachusetts, between 1851 and 1858. After crunching Thoreau's numbers, researchers have found the average temperature in Concord has risen an estimated 4.3...

Bees Might Have
Personalities

Mar 10, 2012 7:35 AM CST

Bees Might Have Personalities

Some are more adventurous than others: Study

(Newser) - Bees are not merely mindless, mechanical insects with rigid behavior patterns. They may actually exhibit personalities and feelings. A new study from the University of Illinois reveals that some bees display a higher willingness to head off on adventures than others, which can be interpreted as a personality trait, reports...

Southerners Sleep the Worst

study says

Feb 29, 2012 3:50 PM CST

Southerners Sleep the Worst

Oklahoma, Mississippi, Arkansas among trouble spots, says study

(Newser) - People who live in the South are getting the worst, disturbance-filled sleep and experiencing the most fatigue during the day, reports a new study. The states with the highest sleep problems are Oklahoma, Arkansas, Mississippi, Alabama, and West Virginia, while the best-rested snoozers generally hail from the the West, reports...

My, What a
Sexy Immune
System You Have

Feb 25, 2012 8:22 AM CST

My, What a Sexy Immune System You Have

Hunky men seem to be healthier, too: Study

(Newser) - Why do women swoon over handsome men like Brad Pitt? Not merely for their rippling muscles or striking faces, but because of their robust immune systems, according to a new study. Men who appear seductively macho have higher testosterone, and the study found a correlation between testosterone levels and a...

Goats Have Accents: Study

Feb 16, 2012 9:51 AM CST

Goats Have Accents: Study

Goats' 'voices' not entirely genetic, change over time, scientists say

(Newser) - It turns out accents aren't just for people from Long Island: Goats have them as well, a team of British researchers has demonstrated. Until now, experts had assumed that goats' "voices" were dictated entirely by genetics. Genetics do play a role, the researchers found, as siblings had similar...

Investment Banking
Hazardous to Your Health

Feb 15, 2012 5:42 PM CST

Investment Banking Hazardous to Your Health

Long hours, stress take a toll on just about all in the field: Study

(Newser) - Becoming an investment banker might be great for your wallet but it's terrible for your health, a comprehensive new study makes clear. Think addictions, insomnia, heart trouble, eating disorders, depression, and rage. A University of Southern California researcher trailed two dozen investment bakers through their first decade on the...

Ship Noise
Stressing Out
Whales

study says

Feb 10, 2012 3:14 PM CST

Ship Noise Stressing Out Whales

Right whales may be getting sick and not reproducing as a result

(Newser) - A group of whales in Canada is being stressed out by noise emanating from ship traffic, a new study suggests, and the stress may be harming the whales' immune system and making it harder for them to reproduce. Scientists measured the stress hormones in the poop of right whales in...

Why Do More Men Get
Heart Disease? Blame Dad

Feb 9, 2012 3:36 PM CST

Why Do More Men Get Heart Disease? Blame Dad

Some inherit a male Y chromosome with a higher risk

(Newser) - Men represent about two-thirds of heart disease sufferers, and a new study offers a possible hint as to why—men with a certain genetic ancestry were 50% more likely to be afflicted. The study analyzed 3,233 white UK men and examined their male Y chromosomes, which are passed down...

Brain Scans of Addicts'
Siblings Offer a Clue

Feb 3, 2012 5:46 PM CST

Brain Scans of Addicts' Siblings Offer a Clue

They share abnormalities that make them more vulnerable

(Newser) - New hope in the treatment of addiction? A study shows that people hooked on drugs or alcohol have abnormalities in the brain that make them more susceptible. Researchers were able to determine that the abnormalities existed before the addiction set in because they found the same abnormalities in the brains...

Pregnant Women in 50s
Do Just Fine

study says

Feb 3, 2012 4:58 PM CST

Pregnant Women in 50s Do Just Fine

In-vitro pregnancies of older women show no rise in complications

(Newser) - Women in their 50s who receive donated eggs have just as healthy pregnancies as their younger counterparts who do the same, a new study shows. In the largest analysis to date, researchers found that 101 women age 50 and older who used in-vitro fertilization had no more complications than women...

Meetings Make You Dumber

New study finds group interactions impact problem-solving ability

(Newser) - If you've ever felt that a work meeting sucked IQ points right out of your skull, you might be right. A new study finds that group interactions can actually lower your intelligence, the Daily Mail reports. Scientists in Virginia matched groups according to IQ, ranked members' performance on cognitive...

Stem Cells
May Reverse
Blindness
in Women

Jan 23, 2012 4:00 PM CST

Stem Cells May Reverse Blindness in Women

Scientists thrilled by use of embryonic cells

(Newser) - A treatment made from embryonic stem cells is apparently restoring sight in two women who were slowly going blind, NPR reports. "I can't tell you how excited I am about this," says Steven Schwartz, a UCLA opthamologist leading the research. "For these patients, the impact is...