Adult

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365 published items.

What is vitamin D?  Effect of Vitamin D
Medicine - Health

What is vitamin D? Effect of Vitamin D

Vitamin D is a group of fat-soluble secosteroids, which enhances the intestinal absorption of calcium and phosphate. In humans, the most important compounds in this grou…

October 6, 2019
500-year-old mummies are intact
Archeology

500-year-old mummies are intact

8 Inuit mummies, including adults and children, are the most intact mummies ever discovered in North America.

October 2, 2019
T-rex's skull was so hard that it couldn't bite
Archeology

T-rex's skull was so hard that it couldn't bite

An adult Tyrannosaurus rex (T-rex) has a bite force of up to 5.8 tons, which is equivalent to the weight of 13 Steinway Model D pianos, the largest terrestrial animal th…

September 28, 2019