A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

We introduce a method of in vitro recombination or “DNA shuffling” to generate libraries of evolved enzymes. The approach relies on the ordering, trimming, and joining of randomly cleaved parental DNA ...

We promised four more scores. Here are the full TAG Community Safety Score breakdowns for FFXIV, Sea of Thieves, Apex Legends ...

From author talks and exhibitions to festivals, lectures, and offbeat events, here’s your guide to the DMV’s most eclectic spring offerings.

After years of anonymously documenting abandoned public works projects in Colombia, Luis Carlos Rúa revealed himself days ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...