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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
![Extinction and immigration of bird species on the California Channel Islands between 1917 and 1968 (](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_42_32_20691962.jpeg)
![This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_27_03_22383854.jpeg)