|
Author Question: Axons growing toward the optic chiasm are directed contralaterally or ipsilaterally by a. cell ... (Read 19 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Asthma cases in Americans are about 75% higher today than they were in 1980.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.