The foot is a complex structure made up of 28 bones, 33 joints, 19 muscles, over 100 tendons and ligaments, and more than 200,000 different nerve endings. These work together to allow you to walk, run ...

This hook-like molecule, called hemagglutinin, is the principal antigen in the influenza vaccine. The standard flu vaccine contains a mix of four versions of hemagglutinin — one for each of four ...

One of the barriers preventing bird flu from spreading efficiently in humans lies in the receptor specificity of hemagglutinin (HA)—a viral spike protein critical for entry into host cells and the ...

The primary capital market is the venue where corporations issue new investment vehicles to sell to investors while the secondary capital market is where buyers and sellers trade securities that ...