A Huge New Kroger Warehouse Is Staffed by 1,000 Grocery-Picking Robots (

28,000 different items are stacked in layers of crates three stories high, and the robots move around on a grid at the top of these stacks.

This Billionaire Investor Thinks Elon Musk Will Be A ‘Trillion Dollar Man’ (

Lab-grown human-monkey embryos raise ethical questions (