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Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Chicken egg without its shell Chicken egg without its shell
(A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ... (A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ...
Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane
An Atom An Atom
An unpaired loop at synapsis An unpaired loop at synapsis
Video: DNA close up Animation

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