Tattoo artists must lean over their customers and maintain steady positions, sometimes for hours at a time – and the physical strains they endure can be significant. That's the key finding of the first-ever study of its kind, researchers say, measuring neck- and back-muscle stress at work.

A new report, entitled "Human Genome Editing: Science, Ethics, and Governance," addresses three major applications of genome editing. However, it includes a focus on making changes in the DNA – germline editing –that can be passed down through generations. 

Three separate bills have been introduced in the U.S. Congress that are designed to drive a stake into the vampire-like Independent Payment Advisory Board. It has no members, little funding and bipartisan support for its demise.  
 

Many people take multivitamins "just to be safe." That may not be a good idea, and now a new paper suggests that people who consume too much vitamin B3 might be at higher risk of developing eczema.

Kim Jong Un's half-brother Kim Jong-Nam was assassinated – with a poison. No one knows what it was, but that hasn't stopped chemists from speculating. Here are a few of the intriguing possibilities. They are almost certainly wrong.

Public health experts have noted the unexplained increases in childhood asthma and autism spectrum disorders over the past few decades. A recent review has linked such ills to the coincident increases in obesity in women of childbearing age.

A co-founder of the "March for Science" says that it's "time for everyone to get on board." Okay, sure. We'll get on board – pending satisfactory answers to serious science policy questions.

Among the conclusions from a newly-released study focusing on women's military service during the Vietnam War – both in uniform and as civilians – one is rather eye-catching: That longer service corresponded to greater happiness and life satisfaction decades later. 

Recently a baby boy was born in India with two penises and four legs. How do '"parasitic twins" develop and what causes this? And what conditions prompt duplications in the female anatomy?

A recent study on how olive oil affects HDL and LDL (good and bad cholesterol in your body) has us wondering.. Is all cholesterol created equal?