Chemically, the proteins that run most of a cell's functions are little more than a string of amino acids. Their ability to perform structural and catalytic functions is primarily dependent upon the ...

In 1697 a legal professional in the French city of Lille wrote to his cousin in the Netherlands to request a relative’s death certificate, possibly in order to finalize an inheritance. He folded and ...

Sealed letters folded in intricate patterns have gone unread for more than 300 years, but now people have been able to tease out their contents with a combination of X-ray imaging and unfolding ...