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Learn about a change in language use that could mean a breakup is on the way; why ogre-faced spiders are basically ninja assassins, with help from Cornell University professor Ron Hoy; and how it’s possible to exercise too much.

Learn about how a psychologist named B.F. Skinner proved that pigeons can be superstitious; the science of histamines and why allergy medications make us sleepy; and the 5 ages of the universe, including the Stelliferous Era we’re in right now.

Learn about a surprising tip for de-cluttering your house; 3 extinct relatives of humans that lived in the same place and time; and why the possibility that the universe might not be expanding at the same rate everywhere is a huge deal.

Learn about why there’s no such thing as a hypoallergenic dog; why you should praise kids for their work ethic, not their smarts; and why you should never put coffee grounds in your garden.

Award-winning photographer, filmmaker, and environmentalist Ian Shive gives the inside scoop on a research expedition to the Aleutian Islands. Then, learn how researchers solved a molecular mystery about how our ears turn sound into what you hear.

Learn about how the Oura smart ring could detect fever before you feel it; why there are no stars in moon landing photos; and why it “stinks” that honeybees have been documented using tools for the first time.

James Nestor, science journalist and author of the book "Breath: The New Science of a Lost Art,” explains how you might be breathing wrong. Plus: learn about the surprising way spiders spin their webs in zero gravity.

Learn about why bubbles appear in your water overnight; the “other-contingent extravert,” a new type of extravert that’s only outgoing in certain situations; and why food sticks to nonstick pans.

Learn about why February only has 28 days; why early birds and night owls aren’t the only two chronotypes; and why the anchoring effect says you should always make the first offer when you’re negotiating.

Learn about why it’s a big deal that researchers found animal life underneath the Antarctic ice shelf; how scientists measured blinks to figure out why exercise gives your brain a boost; and why having a bad boss can make you a good boss.

Science journalist and author James Nestor explains how you can breathe better. Then, learn about the secret identity of Bitcoin creator “Satoshi Nakamoto” and whether farming really was a step up for our hunter-gatherer ancestors.

Learn about why you have false memories of doing daily tasks; how we know that dogs might be able to sense Earth’s magnetic field via magnetoreception; and the science behind why there’s no up or down in space.

Environmental cardiology researcher Dr. Aruni Bhatnagar explains why experts are looking at our environment to improve our health. Then, learn how Polynesians and Native Americans connected across more than 2,000 miles of ocean — all the way back in the 12th century.

Forrest Galante, host of “Extinct or Alive” on Animal Planet, helps us celebrate Shark Week by explaining how we search for — and find! — lost species in the open ocean. Then, you’ll learn about the two types of nostalgia (reflective nostalgia and restorative nostalgia) and how they can influence your well-being.

Learn what environmental cardiology has taught us about how we should live, with help from Dr. Aruni Bhatnagar. Then, you’ll learn about the world’s first 3D-printed nuclear reactor core; and why spaghetti always breaks in three.