More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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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.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
Cloning may help save endangered species.
Relationship between fruit radius and beak length in populations of native and introduced species of
The Red-throated Bee-eater (Merops bullocki) is a species of bird in the Meropidae family.