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Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
This graphic illustrates the original systems model of politics advanced by David Easton. Politics This graphic illustrates the original systems model of politics advanced by David Easton. Politics
Apollo Belvedere (detail), Roman copy after a 4th-century BCE Greek original. Apollo Belvedere (detail), Roman copy after a 4th-century BCE Greek original.
Reconnect all vacuum and air hoses and tubes. Replace any vacuum hoses that are brittle or swollen ... Reconnect all vacuum and air hoses and tubes. Replace any vacuum hoses that are brittle or swollen ...
Original Horizontality Original Horizontality
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

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