Newest Science News Blog 20190812

Maya more warlike than previously thought
Evidence of extreme warfare from Classic period disputes role of violence in civilization's decline
JHU study explains how some older brains decline before people realize it
Could reveal why some people's cognitive abilities decline with age while others remain sharp
Recursive language and modern imagination were acquired simultaneously 70,000 years ago
A genetic mutation that slowed down the development of the prefrontal cortex (PFC) in two or more children may have triggered a cascade of events leading to acquisition of recursive language and modern imagination 70,000 years ago.
In the inner depths of the ear: The shape of the cochlea is an indicator of sex
The auditory section of the inner ear, or the "cochlea," does not have the same shape from birth depending on whether one is a man or a woman.
Police use of fatal force is identified as a leading cause of death in young men
Police violence is a leading cause of death of young men in the United States with black men 2.5 times more likely to be killed by law enforcement over their lifetime than white men, according to a Rutgers study.
Blood pressure recording over 24 hours is the best predictor of heart and vascular disease
Blood pressure recorded over 24 hours more accurately predicts cardiovascular complications
Dietary choline associates with reduced risk of dementia
Dietary intake of phosphatidylcholine is associated with a reduced risk of dementia
Researchers Concocted an Ancient Egyptian Perfume Perhaps Worn by Cleopatra
One archaeologist describes the spicy, musky scent as "the Chanel No. 5 of ancient Egypt."
Dark Chocolate Consumption May Reduce Depression Symptoms
A new study, published recently in the journal Depression and Anxiety, provides evidence that consumption of chocolate, particularly dark chocolate, may be associated with reduced odds of clinically relevant depressive symptoms.
Is Ebola Evolving Into a More Deadly Virus?
Around half of all Ebola patients admitted to treatment centers in eastern Congo aren't part of any known chain of transmission
Internet can be valuable tool for people with undiagnosed rare disorders
Internet can serve as a pathway to diagnosis and care for those who suspect they have a rare condition
Home births as safe as hospital births: International study
No clinically important or statistically different risk between home and hospital groups
Dark matter may be older than the big bang, study suggests
Study now suggests that dark matter may have existed before the Big Bang
Cancer Patients Get Rare Blood Infection After Nurse Dilutes Opioids with Tap Water
Half a dozen cancer patients in New York developed a rare infection after they received injectable opioids that a nurse had diluted with tap water, according to a new report.
Some Fish Are Still Full of Mercury, for a Worrying Reason
Emissions of mercury have declined, but levels in fish could still increase thanks to overfishing and a changing climate.
Researchers discover gel reduces scar tissue after surgery in animals
Spraying a gel on internal tissues of animals after cardiac surgery greatly reduces adhesions, fibrous bands that form between internal organs and tissues
New study in 'Science': Why humans in Africa fled to the mountains during the last ice age
People in Ethiopia did not live in low valleys during the last ice age. Instead they lived high up in the inhospitable Bale Mountains.
Existing anti-parasitic drug could offer treatment for Ebola
Study in human cells shows it counteracts Ebola's defenses
Electromagnetic fields may hinder spread of breast cancer cells
Early findings in lab show reduced ability of cells to migrate
Myths About How Science Progresses Is Built on a Misreading of the Story of Penicillin
Myths often tell more about how professions want to be seen than about the historic events they are based on
Big Pharma is using faux generics to keep drug prices high, critics say
Drug makers have mastered gaming the system to beat generic competition, critics say.
It's All Greek to You and Me, So What Is It to the Greeks?
A close look at a strangely global idiom about how little we understand each other.
Scientists glimpse oddball microbe that could help explain rise of complex life
'Lokiarchaea', previously known only from DNA, is isolated and grown in culture.
How a huge forest of extinct trees sparked transformation of life on Earth
Oldest large forest yet found on Earth represents a pivotal step in the history of forest growth
More Nuts Improve Men's Orgasmic Function, Sexual Desire
Adding nuts to a regular diet significantly improves orgasmic function and sexual desire in healthy young men, according to the FERTINUTS study.
Questions Surround Canadian Shipment of Deadly Viruses to China
The same Winnipeg lab that sent Ebola and Henipah viruses to Beijing recently removed a number of researchers for an "administrative issue."

	Newest Science News Blog 20190812
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