Flexion and extension refer to directions of motion that affect the angle of a joint. Flexion is when the joint is closed, while extension is when it is opened. Flexion and extension are the two ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. For decades, intelligence has been often reduced to a number — an IQ score, a ...

One of the best-selling Lego Star Wars sets is proving to be difficult to find in stock this holiday season. The 1,050-piece R2-D2 figure is now sold out at Target and Walmart and is on backorder on ...

Only four teams remain in the D2 football championship, and No. 1 Ferris State and No. 4 Newberry will battle for a ticket to the championship game this weekend. Defending national champion Ferris ...

1 Rehabilitation Medicine Department of the Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, ...

This article is part of Kotaku Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. LEGO rarely slashes the prices on its Star Wars sets ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Songbirds like parrots and parakeets might be well known for ...

A new review of studies finds that the type of vitamin D that you take matters. The study looked at vitamin D3 vs. vitamin D2 and found vitamin D2 to be less potent and actually reduced serum (total) ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense ...

This article is part of Kotaku Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. Star Wars remains LEGO’s most coveted license with ...