Learn about how quitting smoking may reawaken healthy cells; how researchers figured out how to tell the age of crime scene fingerprints to help investigators; and why you sometimes yawn while exercising or singing.

Learn about why bats are the source of so many deadly virus outbreaks; and the surprisingly strong influence older siblings can have on their brothers and sisters — just in time for Siblings Day. Then, test your knowledge from this podcast with a Curiosity Challenge trivia game.

To help you celebrate Earth Day, Bill Nye discusses some unexpected ways we can save our environment, including raising the standard of living for women and girls. Then, you’ll learn about why spicy solar panels capture more sunlight — with a little help from capsaicin.

Beth Pratt, leader of the Save LA Cougars campaign, explains how wildlife crossings work and the unique engineering behind the Liberty Canyon Wildlife Crossing. Plus: learn how doing one creative thing every day can boost your happiness.

Learn about a simple way to explain quantum physics, with a special guest, astrophysicisist George Greenstein. You’ll also learn about how to survive falling without a parachute, and how to avoid “speed-dating mistakes” when adopting a dog.

What would you do if you knew which moves were proven to be the sexiest?

Author Jen Sincero explains why it’s important to form and maintain habits. You’ll also learn about why phantom limb sensations are way more common than you think; and how the Large Magellanic Cloud, or LMC, is warping the Milky Way galaxy

Learn about why things taste bad after you brush your teeth; a new discovery about how fast the Earth formed that may mean good things about life in the universe; and why women may experience more pain than men.

Learn why helping others feels like helping ourselves, how wild animals eat healthy, and how the Sahara feeds the Amazon.

Learn about the surprising memory skills of infants; why that whole “phosphine on Venus” discovery may not be as exciting as we thought; and how medical science answered Molyneux's problem, a 300-year-old philosophy question.

Learn what scientists say was the most influential film of all time; the special way riding a bike is stored in your memory; and the truth behind mistletoe, a Christmas tradition that’s actually a poisonous parasite.

Learn how your voice changes when you talk to someone attractive; how the cinchona cure for malaria turned into a popular cocktail; and how to figure out whether your work is a job, a career, or a calling.

Achieving goals can be difficult, but that may be because you're setting the wrong goals in the first place. That's why happiness expert and executive coach Stella Grizont returns to the Curiosity Podcast to discuss how to set the right goals and how to overcome the challenges of sticking to them.

A professor of geology was the first to identify a dinosaur correctly.

You only have a limited number of heartbeats in your life.