Biology
Science
A Billionaire-Backed Startup Wants to Grow 'Organ Sacks' to Replace Animal Testing
By Emily Mullin
Science
Japan Approves the World’s First Treatment Made With Reprogrammed Human Cells
By Ritsuko Kawai
The Big Story
She Was Given Up by Her Chinese Parents—and Spent 14 Years Trying to Find a Way Back
By Olivia Cheng
Gear
Booze Without the Burn? An Enzyme-Tinkering Startup Aims to Make Spirits Smoother
By Christopher Null
Science
Peacock Feathers Are Stunning. They Can Also Emit Laser Beams
By Jennifer Ouellette, Ars Technica