« previous next »
« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Your heart beats over 36 million times a year.

Baby Dolphin Baby Dolphin
Baby Dog Baby Dog
Areas of referred pain; A, anterior view; B, posterior view. Areas of referred pain; A, anterior view; B, posterior view.
Baby penguin Baby penguin
What cause Piriformis Syndrome? What cause Piriformis Syndrome?
A deletion of part of chromosome 5 is associated with cri du chat syndrome. By comparing the region A deletion of part of chromosome 5 is associated with cri du chat syndrome. By comparing the region
Video: Green alga life cycle Animation

For a complete list of videos, visit our video library