Did you know?
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Did you know?
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.
Did you know?
Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
The three basic body plans of bilaterally symmetrical animals.
The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
A fossil leaf in low-grade coal
Adaptations to the Environment
An infant begins to notice the external environment by the age of 4 to 8 months
Two Cnidarian Body Plans