Curiosity Daily Podcast: Stay Happy and Healthy by Maintaining Your Routines, How Dolphins Learn to Use Tools, and Can Adults Grow New Brain Cells?

Learn about whether adult neurogenesis can help humans grow new brain cells; the super cool way dolphins learn how to use tools; and how keeping good “zeitgeber hygiene” by sticking to a regular routine can keep you happy and healthy.

July 20, 2020

Episode Show Notes:

Can you grow new brain cells as an adult? by Grant Currin

Dolphins use tools — and they learn how from other dolphins by Cameron Duke

To stay happy and healthy, maintain your routines -- aka "zeitgeber hygiene" by Kelsey Donk

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Next Up

Investigate the Mind of a Shark on 'How to Train a Great White'

See how these apex predators actually think. Will they completely transform our understanding of their intelligence?

Watch Ken Jeong & Rei Ami Make a Splash on 'K-Pop Shark Heroes'

They'll use the power of K-Pop to change the way we view sharks forever!

Top Five Rarest Bottom Dwellers

National Insect week occurs between June 20 -26. The week focuses on the importance of insects within ecosystems, nature, and wildlife. Insects do have a bad reputation, as some are a nuisance, and some are scary, but each plays a key role in maintaining order in nature. In celebration of the hard-working insects that you may see in your backyard, here’s a list of the ones you won’t be seeing. The rarest insects on the planet.

A Guide to Defending the Earth

Let’s say one day astronomers announce that our worst nightmare has come true: a large object is headed towards the Earth with a significant chance of impact. What do we do?

Sing Along to the Shark Week Song

Listen to the first official Shark Week song and catch all the action July 26 through August 1 on Discovery!

'My Strange Shark Addiction' Is Coming to Shark Week 2026

Meet the most shark-obsessed "fin-atics" around and take a plunge into their wild fascinations on "My Strange Shark Addiction." Learn all about the new special here!

An Astronomical Review of “Don’t Look Up”

In our annual New Year’s family tradition of struggling to stay awake until midnight, we decided to watch “Don’t Look Up,” the Adam McKay satire starring Leonardo DiCaprio, Jennifer Lawrence, and other fabulously good-looking people.

A Look at ‘Rewilding’ Around the World

Learn more about the efforts of rewildling throughout the world on Discovery.com.

Shark Week: The Podcast - How To Have A Career in Shark Science

Shark Week’s Luke Tipple tackles the question “How can I work with sharks?” alongside two experts in the field – and their answers are not always the obvious ones. Luke is joined first by Kelly Link, Associate Curator of the Georgia Aquarium who talks about what it’s like to be an aquarist, how it differs from field work, and how to get yourself noticed. The second guest is Dr. Neil Hammerschlag who goes into detail on what it takes to become a prominent scientist, and what other paths you can take if a PhD isn’t for you. And at the end, researcher Sierra stops by to tell us about the world’s smallest shark.