Curiosity Daily Podcast: Null Misadventures (w/ Matt Parker), Why Reheated Coffee Tastes Bad, and the Ancestor of Most Living Animals

Learn why coffee tastes bad when you reheat it; and how researchers found the ancestor of most living animals. Stand-up mathematician Matt Parker will also explain why the word “null” causes so many problems for computer programmers.

May 04, 2020

Episode Show Notes:

Why does coffee taste bad when you reheat it? by Andrea Michelson

We just found the ancestor of most living animals by Cameron Duke

Additional resources from Matt Parker, stand-up mathematician:

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

Get Ready for Puppy Bowl XXII on Animal Planet!

Puppy Bowl XXII premieres Sunday, February 8, 2026, at 2:00PM ET/11:00AM PT with more adoptable puppies from shelters and rescues than ever before.

Get Ready for Puppy Bowl XXI on Animal Planet!

Puppy Bowl XXI premieres Sunday, February 9 at 2P ET/11A PT with more adoptable puppies from shelters and rescues than ever before.

Watch World-Class High Diver Molly Carlson Leap From a Helicopter Into a Shark Cage on 'Ultimate Shark Dive'

Plunge head-first into the most shocking Shark Week special yet! Learn all about it here.

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.

Dive Into 'Expedition Unknown: Shark Secrets' With Josh Gates

Join Josh Gates and uncover the truth about some of the world's most perplexing shark incidents and mysteries! Learn all about "Expedition Unknown: Shark Secrets" here.

'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!

Get Ready for Puppy Bowl XX on Animal Planet!

Puppy Bowl XX premieres Sunday, February 11 at 2P ET/11A PT with more adoptable puppies from shelters and rescues than ever before.

Shark Week: The Podcast - Do You Have the Guts to Be a Shark Handler?

Host Luke Tipple welcomes a pair of divers – Leigh Cobb and Josh Eccles – who have taken their passion for sharks and turned it into a dangerous career. They explore what it takes to swim with sharks for a living, then go into common myths and facts on what to do in the open water – if you ever come face to face with a shark. Plus, our researcher Sierra drops by with a new species of shark discovered in the freezing depths of the ocean.

Shark Week: The Podcast - Lights! Camera! TEETH! Making Shark Docs

Shark Week’s Luke Tipple is joined by longtime filmmaker and Emmy-award-winner Andy Casagrande. He’s filmed and appeared in dozens of shark documentaries, and might just be the most prolific shark cinematographer in history. He talks with Luke about his career, the contentious term “shark porn,” and the future of the industry. And at the end, our researcher Sierra talks about the unprecedented ways that sharks are currently endangered.

Shark Week: The Podcast - How Many Sharks Are Yet to Be Discovered?

Luke Tipple is joined by Shark Week host and all-around adventurer Forrest Galante. They discuss his upcoming special Alien Sharks: South Africa, Forrest’s remarkable talent for finding creatures once believed to be extinct, and how many shark species may still be unknown. Then, our researcher Sierra stops by to tell us about the world’s most prehistoric shark.