Category: Global Health

How do lenses work?

Score: 4.8/5 (5 votes) A lens works by refraction: it bends light rays as they pass through it so they change direction. That means the rays seem to come...

Where is sandspit surf spot?

Score: 4.1/5 (56 votes) Santa Barbara Harbor Beach (Sandspit) in Santa Barbara, California. This small beach is located at the end of the breakwater for ...

What are calculators made of?

Score: 4.1/5 (70 votes) Most calculators are made from a durable type of plastic known as acrylonitrile butadiene styrene (ABS). You'll also find mo...

Are bisphosphonates bad for you?

Score: 4.7/5 (53 votes) Bisphosphonates are generally well tolerated and safe. Nevertheless, adverse events have been noted, and it is important to consi...

Why is banding so bad?

Score: 4.8/5 (30 votes) Banding is bad because it was overly complex and overly costed. Unless you like 2/4s for 5, 2/5s for six, and 5/5s for seven. It&...