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There are more nerve cells in one human brain than there are stars in the Milky Way.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
![(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f](https://biology-forums.com/gallery/47/medium_234464_20_01_15_11_04_39_202642177.jpeg)
![Piaget was one of the first to go beyond observable behavior in an attempt to determine how infants ...](https://biology-forums.com/gallery/47/medium_637842_02_02_17_1_44_51_24589103.png)