In its physical, political, and ethical dimensions, climate change is a mind-boggling challenge — and perhaps more complex than any humanity has faced. With that in mind, the Knight Science Journalism Program and Undark teamed up with the Cambridge Science Festival to try to bring the problem down to size.
A team of hackers tested Wi-Fi networks in locations frequented by President Trump, exposing outdated encryption. Scientists may be close to perfecting the recipe for primordial blood cells that can regenerate themselves from fully mature cells. Read these stories and more in our twice-weekly news roundup.