hygiene

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foam hand sanitizer

Behind the science: Why do feet smell?

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Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile

6 Lost Civilizations

International currencies, money, various banknotes, currency

A Brief (and Fascinating) History of Money

Apollo 12 astronaut Charles "Pete" Conrad stands beside the U.S. flag after is was unfurled on the lunar surface during the first extravehicular activity (EVA-1) Nov. 19, 1969. Footprints made by the crew can be seen in the photograph.

How Many People Have Been to the Moon?

Black widow spider

9 of the World’s Deadliest Spiders

hygiene: Related Content

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Photos and Videos

foam hand sanitizer

Behind the science: Why do feet smell?

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Topics

antimicrobial agent hand sanitizer mosquito net hand washing industrial hygiene shampoo toothpaste occupational disease soap and detergent health genetic counseling pre-exposure prophylaxis safe sex

Key People

Harriot Kezia Hunt

American physician

Lancisi, miniature by an unknown artist

Giovanni Maria Lancisi

Italian physician

Nuttall, George Henry Falkiner

George Henry Falkiner Nuttall

British biologist

Johann Peter Frank

German physician