Sunday, April 28, 2024

Mystery Box

Are Snails Born With Shells?

https://youtu.be/HuX4mpIRQ5w Snails can be objects of fascination for kids playing outside. Lucky for the snails, they have their hard shells to protect them from children and predators alike. But are they born with that natural armor, or do they have...

What Happens to Your Brain When You Fall in Love?

Falling in love is one of the best feelings in the world—and humans might not be the only creatures who do it. Pair bonding, the two-by-two partnering of creatures, has been seen across the animal kingdom. Whether or not...

How Can Owls Rotate Their Heads 270 Degrees Without Dying?

For humans, sudden gyrations of the head and neck—whether they’re from car accidents, rollercoaster rides, or chiropracty gone awry—can tear blood vessel linings in the neck, leading to clots that can cause stroke. Not so in owls, which can...

What’s the Difference Between a Boat and a Ship?

The Supreme Court ruled last week in the case of Fane Lozman vs the City of Riviera Beach, Florida. They decided that Lozman’s 60-foot, two-story, motorless, rudderless floating home was not a boat or a vessel, and hence should not have been...

Where Did the Phrase “Caught Red Handed” Come From?

https://youtu.be/LP44H9uKqN4 The expression “caught red handed” has its origins in Scotland around the 15th century. Given how it was used in the earliest references, the phrase “red hand” or “redhand” probably referred to people caught with blood on their hands...

How Do Smoke Alarms Work?

https://youtu.be/bDZqNMGkmY4 The smoke alarms in my apartment building are both ridiculously sensitive and ridiculously loud. They regularly go off even when there’s no smoke, and I often have to scramble up on top of a chair to reset them because...

Why Does Popcorn Pop?

First off, popcorn isn’t just any old corn. It’s a cultivated strain of flint corn known as zea mays everta. Its kernel is also a whole grain—it consists of the bran (the hull or outer covering), the germ (the “embryo”...

Can People Really Smell Fear?

https://youtu.be/DTysnTMdkr0 Fictional characters, and even real-life folks, often talk about animals and people—particularly snarling dogs and knife-wielding lunatics—being able to “smell fear” on people. No one ever seems to be able to describe just what fear smells like, though. The lack...

When and Where Was the First Car Accident?

https://youtu.be/Qahgi7U1Uz4 That depends on how you define a “car.” In 1869, Irish scientist Mary Ward was riding in a steam-powered automobile built by her cousins. As they rounded a bend in the road, Ward was thrown from her seat and...

Do Dogs and Cats Have Different Blood Types, Like Humans Do?

https://youtu.be/5cPrZhq9wWU Yes. And our pets sometimes need transfusions, too, so it’s always handy to know what type of blood Spot or Fluffy has (if he or she has had any blood work done, the vet will have this information). Feline blood...
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