|
|
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Did you know?
Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
![Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_28_222961281.jpeg)
![These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_26_01_223331617.jpeg)