Israel had spent months smuggling in parts for hundreds of quadcopter drones rigged with explosives—in suitcases, trucks and shipping containers—as well as munitions that could be fired from unmanned platforms,

Good morning. Israel and Iran aren’t letting up in their attacks. China’s biotech sector is surging. And look beyond Apple’s Liquid Glass to the good things happening with iPads. Listen to the day’s top stories.

The retaliatory strikes came on Saturday, a day after Israel killed top Iranian military leaders and scientists and destroyed an aboveground nuclear enrichment plant near Natanz.