|
|
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
There are more nerve cells in one human brain than there are stars in the Milky Way.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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.
![Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_35_06_93881184.jpeg)
![Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_48_45_33380608.jpeg)