Learn what the elevator can teach us about our past and our future. Plus: surprising discoveries from bomb-pulse dating.

Learn the “Dog Days of Summer”; why scientists did magic tricks for birds; and the smallest conceivable length of time.

Learn why aliens have a dataome; how animals sniff out viral infections; and how reading out loud can boost your memory.

Learn about rain on other planets; why Americans used to not use forks; and whether sleep or exercise is more important.

Learn how your brain replays the things you’ve practiced at 20 times speed; and an engine that uses information as fuel.

Learn how human hair can improve solar panels and why people tend to add, not subtract, when trying to improve something.

Learn about how stress during pregnancy can affect a newborn’s sex; skipping stone physics in space; and overspending.

Learn about interacting with robots that talk to themselves; “mad honey,” a rare, dangerous hallucinogen; and “alief.”

Learn why there could be stars made of antimatter. Plus: author Paul Greenberg’s tips to reduce your carbon footprint.

Learn about the RLR gene editing tool; Victorian-era emoji; and why “night shift” screen settings don’t help you sleep.

Learn how resolving arguments can erase nearly all bad feelings, and why almost all calico cats are female. Plus: trivia!

Learn why older classmates are more popular; how some invasive species help their ecosystems; and keyboard cleaning tips.

Learn why your mom calls you your sibling’s name; why pollen isn’t just plant sperm; and what really causes sore muscles.

Learn about “digital body language” guidelines and how scientists brought multiple molecules into the same quantum state.

Learn the easiest way to forgive and forget; whether human fossils can produce oil; and what bees yell when surprised.