Now it’s time for more efficient AIs to take over. After years of controversy, stem cells are on the cusp of cures for conditions like epilepsy and type 1 diabetes. The company is making a foray into ...

Glass can be notoriously difficult to identify. Signatures, if there are any, can be faked, molds can be reused, and glassmakers often imitated one another’s decorations. Stiegel-type glass is an ...