Outdoor Cats
Rattle
Physics
The Body Electric
All the Light We Can See
400

A lot of the ocelots remaining in this U.S. state prowl around in the shrublands of the Lower Rio Grande Valley.

What is Texas?

400

Reinforced concrete & a device called a tuned mass damper protect the tower called this capital of Taiwan 101 from serious rattles.

What is Taipei?

400

When you're on a plane, it's the 4-letter opposing force of thrust.

What is drag?

400

Spinal cord stimulators are electrodes that are surgically implanted between the spinal cord & these, of which there are 33.

What are vertebrae?

400

Superman might know that this element used in fluorescent lights is No. 36 on the periodic table.

What is krypton?

800

The long & flexible spine of this big cat acts like a coiled spring, allowing it to reach speeds up to 70 miles per hour.

What are cheetahs?

800

Bath's law says the largest of these tremors after the main rattle will typically be 1.2 magnitude units smaller. 

What is an aftershock?

800

This one of the simple machines, an adaptation of the inclined plane, can be used to split a log.

What is a wedge?

800

This type of implant that improves hearing is named for a tube in the ear that's shaped like a snail shell.

What is a cochlear implant?

800

Not a surprise based on their names, glowworms & fireflies exhibit this, a chemical reaction that produces light.

What is bioluminescence?

1200

They're cats of the southeastern U.S. in the genus Puma; they're also the 2024 Stanley Cup champions.

What are panthers?

1200

Also called the Circum-Pacific Belt, it's home to about 90% of the world's earthquakes.

What is the Ring of Fire?

1200

It's the type of acceleration of a body traveling in a circular motion; the same-named "force" is directed towards the circle's cente.

What is centripetal?

1200

Neuralink aims to link machines & minds: first for injuries like this loss of blood in the brain, then to alter humanity.

What is a stroke?

1200

The pencil appears to bend due to this property of physics as light waves move from one medium to another.

What is refraction?

1600

The documentary "The Velvet Queen" follows adventurers on the lookout for this rare cat in the Tibetan highlands.

What is a snow leopard?

1600

The shifting plates that cause earthquakes make up this "sphere" that "rocks" over the weak & ductile asthenosphere.

What is the lithosphere?

1600

Quarks are grouped in 3 pairs: up & down, top & bottom & let's call them this "rizzy" & "odd" pair.

What are strange and charm?

1600

A cardiac resynchronization therapy device is also known as a biventricular one of these, which stimulates the heart.

What is a pacemaker?

1600

Auroras happen as atoms react with electrons & protons brought to the upper atmosphere by this flux of particles from our sun.

What is the solar wind?

2000

The tufts on the tip of the ears of this small African cat are thought to help make it easier for it to hear its prey.

What is a caracal?

2000

In the U.S. earthquakes are now measured using a scale of seismic intensity named for this Italian.

What is Mercalli?

2000

A CERN document calls it a material "composed of electrically neutral particles that can... flow without friction".

What is a superfluid?

2000

Insulin pumps are small electronic devices that mimic the way this organ works in the body.

What is the pancreas?

2000

Here's a city created by this process that uses lasers to make everything look futuristic.

What is holography?