Shen Kuo
Shen Kuo or Shen Kua () (1031 –1095 ) was a polymathic Chinese scientist and statesman of the Song Dynasty (960–1279). Excelling in many fields of study and statecraft, he was a mathematician , astronomer , meteorologist , geologist , zoologist , botanist , pharmacologist more
Immune system image of a single neutrophil (yellow), engulfing anthrax bacteria (orange).
An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogen s and tumor cells. It detects a wide variety of agents, from virus es to more
Enzyme
of the enzyme TIM , surrounded by the space-filling model of the protein. TIM is an extremely efficient enzyme involved in the process that converts sugar s to energy in the body.
Enzymes are protein s that catalyze (i.e. accelerate ) chemical reaction s. In enzymatic reactions, the molec more
Rachel Carson
Rachel Louise Carson (May 27 , 1907 – April 14 , 1964 ) was an American marine biologist and nature writer whose writings are often credited with launching the global environmental movement .
Carson started her career as a biologist in the U.S. Bureau of Fisheries , and t more
Cane Toad :Cane toads redirects here and may refer to Queensland state rugby league team .
The Cane Toad (Bufo marinus), also known as the Giant Neotropical Toad or Marine Toad, is a large, terrestrial true toad native to Central and South America . It is a member of the genus Bufo , which inc more