electrically debondable adhesives electric current field

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Electricity can release some glued parts

Some adhesives are designed to come unstuck when an electric current or field is applied. This lets bonded parts be separated without damaging them or relying on heat.

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The first mosque was also Muhammad’s home

In Medina, the mosque also hosted public and political meetings, and the poor received aid there. Christians and Jews were allowed to take part in worship.

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Most of an egg cell's DNA copies can be mitochondrial

Up To 90%

A human egg cell can contain up to 1.5 million copies of the small mitochondrial genome. Because there are so many copies, mitochondrial DNA can make up as much as 90% of all the separate DNA molecules in the cell.

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