human

Productive work was of fundamental importance to Ayn Rand...

Biologists have long known that new protein-coding genes can arise through the duplication and modification of existing ones. But some protein genes can also arise from stretches of the genome that once encoded aimless strands of RNA instead. How new protein genes surface this way has been a mystery, however. Now, a study identifies mutations

Trigger warning: The opening paragraph of this story recounts a story of death. “Come. Help. It’s dad. He’s not breathing.” The terrified, frantic tone in my mother-in-law’s voice is locked in a part of my brain. A breathless sing-song of shock and fear. I vividly recollect every second of fumbling for my phone to plead