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Female orgasm is evolution’s happy gift

Aristotle was puzzled. Freud had his own ideas. But no one theory has satisfactorily answered the question: Why do women have orgasms? Orgasms in human females...

Life’s building blocks may have formed in interstellar clouds

An experiment shows that one of the basic units of life -- nucleobases -- could have originated within giant gas clouds interspersed between the...

We are all mutants, more or less

Everyone is a mutant but some are prone to diverge more than others, report scientists at University of Utah Health. At birth, children typically have...

How we discovered that an asteroid collision in space 466m years ago boosted life...

Something mysterious happened nearly half a billion years ago that triggered one of the most important changes in the history of life on Earth. Suddenly,...

Extinct human species gave modern humans an immunity boost

Modern humans acquired a gene variant from Denisovans that heightened their immune reactions, indicating adaptation of the immune system to a changing environment, says...

Rare 10 million-year-old fossil unearths new view of human evolution

Human ancestors might not have been built like modern African apes, a new study suggests. Near an old mining town in Central Europe, known for...

Human-animal hybrids are coming and could be used to grow organs for transplant

Around the world thousands of people are on organ donor waiting lists. While some of those people will receive the organ transplants they need in...

The Swiss Army Knife of gene editing gets new control

When researchers want to edit, activate, or silence a gene in any living organism, from bacteria to humans, they often turn to CRISPR/Cas9, a...

Large study shows there is no “gay gene”

In a new study, researchers found that there is no single “gay gene” that could determine one’s sexual orientation. They found a person's attraction to...

How plants know the difference between night and day

Plants are extremely sensitive to lengths of nights and days. They use the information to keep track of seasons, information crucial to their life cycles. Yale...

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Scientists find the major cause of autism

In a new study, researchers discovered that autism is 80% reliant on inherited genes. That means that environmental causes are only responsible for 20% of...
These two types of drugs are linked to dementia

These two types of drugs are linked to dementia

In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...

This popular painkiller may harm your blood sugar

In a new study, researchers found popular pain drug opioid tramadol (marketed as ConZip and Ultram) may increase the risk of developing hypoglycemia, or...

Popular high blood pressure drug may increase risk of bowel disease

High blood pressure harms one in ten adults across the globe, and it increases the risk of heart attack and stroke. The most common treatments...
Common painkiller may harm your immune system, damaging heart and kidneys

Common painkiller may harm your immune system, damage heart and kidneys

In a recent study, researchers found that a widely used type of painkiller may increase risks of heart failure and kidney disease. The type of...