Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Cell Biology
The role of antigen-presenting cell (APC).
Plant Cell
Proposed steps for transformation of a bacterial cell by exogenous DNA
