String cheese is made by heating mozzarella to 60 °C which causes the milk proteins to line up. They can then be peeled off in strings.

String cheese is made by heating mozzarella to 60 °C which causes the milk proteins to line up. They can then be peeled off in strings.

In 2013 a scientist injected human brain cells into a mouse brain, which improved the mouse's memory and ability to learn

In 2013 a scientist injected human brain cells into a mouse brain, which improved the mouse's memory and ability to learn