In the small intestine there are also specialised structures called villi which have a tiny hair-like structure poking into the small intestine to absorb digested food. If we stretched out all the ...

Mr Zhu is a top Erhu musician in China. Zhu was born in 1956 and start his erhu learning at the age of 7. Mr Zhu, who is also the Chairman of the Musicians' Association of Jiangsu Province and is ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...