Learn about the likelihood that we all live in a computer simulation. Then, author Thomas Kostigen explains how geoengineering might help cool the planet and save the world.

Learn about how you can slash your exercise time with high-intensity interval training (HIIT) — and the science that backs it up; how “collective narcissism” can make groups toxic; and how dolphins make friends strategically.

Learn how superstitions can actually reduce anxiety, why rebooting can often fix computer problems, and why the first full dinosaur skeleton ever found is finally being studied 160 years later.

Learn why the concept of zero is newer than you might think, how you can worry more productively, and why the Earth’s atmosphere might be rusting the moon.

Physician James Hamblin, staff writer for The Atlantic, explains what would happen if you stopped showering — and other fun facts from the emerging science of the skin microbiome. Plus: are some trees really immortal?

Learn about how mapmakers catch copycats with paper towns and trap streets; why people on their deathbed can probably hear their loved ones pay their last respects; and that time some woodpeckers shut down NASA’s plan to launch the space shuttle Discovery.

Learn about what to do when your pet is scared; and why the theory of endosymbiosis says you have microbes inside your cells. Then, stick around to meet Natalia Reagan: an anthropologist, primatologist, and comedian who will be filling Cody’s shoes while he’s on paternity leave.

Learn about the "shower-curtain effect," the mystery of why your shower curtain will randomly cling to you; whether masks affect our emotional development; and why humans perk up their ears.

Learn about how blind people can describe what animals look like, how “Ring Around the Rosie” probably doesn’t reference the Plague, and why scientists used Cladosporium sphaerospermum, a radiosynthetic species of fungus, to build a radiation shield.

Learn about what Neanderthal genes might be doing in your DNA; Guido d’Arezzo, the 11th-century Benedictine monk who invented “Do, Re, Mi” notation, or solfège; and how photosynthesis killed off 99 percent of life on Earth during the  the Great Oxygenation Event.

Learn about how qualified immunity prevents police misconduct from being punished; why we’re due for “wandering star” Gliese 710 to visit our solar system soon; and what studying prairie voles can teach us about successful long-lasting relationships.

Learn about the right and wrong way to approach an argument; evidence that dogs really do want to rescue you; and how blind people dream.

Learn about whether summer will help or hurt the coronavirus pandemic; why so many Mars missions like Mars 2020 are launching this summer; and how you might inspire yourself to exercise more by copying your friends.

Learn about ESP; why people panicked about electricity in the 1800s; and how embryos use sound to prepare for the world.

Learn about ominous music’s effect on conservation efforts; why our brains constantly predict the future; and “Hydrobot.”