Human Body & Mind
How the human body and brain are built, work, and sometimes fail.
Human Body & Mind Psychology
The more people who witness an emergency, the less likely any one helps
Human Body & Mind The Senses
Human hearing spans 20 Hz to 20,000 Hz — sorted by a snail-shaped organ
Human Body & Mind The Senses
Color vision rides on about 6 million cones — night vision on 120 million rods
◆ On this day
On this day in Human Body & Mind
28 Sep 1928
11 Jan 1922
23 Jan 1849
Human Body & Mind Medicine & Disease
Elizabeth Blackwell becomes the first U.S. woman to earn a medical degree
23 Feb 1954
28 Feb 1953
30 Mar 1842
9 May 1960
12 May 1820
5 Jun 1981
15 Jun 1667
26 Jun 2000
5 Jul 1996
