|
|
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.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
![As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...](https://biology-forums.com/gallery/27/medium_660366_16_04_17_12_25_19_27861512.png)
![U.S. suburbs were once unplanned, rambling affairs that took irregular shapes as people moved away ...](https://biology-forums.com/gallery/28/medium_482573_20_04_17_1_40_00_28021450.png)