If your eyes happen to come into contact with acetic acid, you should immediately wash your eyes with water for no less than 15 minutes
A mechanic invented by eli whitney that removes seeds from cotton much more more quickly and effectively than by hand.
Most of all cell enzymes are proteins
For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.