What’s the difference between HIV and AIDS

You shouldn’t use the two interchangeably.

What does 5-sigma mean in science?

In science, there’s no room for certainty. But we can get close enough by using statistical significance.

How alleles make us who we are

It has to do with your parents, and a bit of luck.

A history of how computers went from stealing your heart, to stealing your job

They changed our society from the ground up. And will do so again.

How old is the oldest tree?

it’s a surprisingly long time.

What are the moons of the solar system and how many are there

An overview of some of the most important natural satellites in our solar system. They’re quite a few.

What is THC: the main psychoactive ingredient in marijuana

THC has beneficial health outcomes but also carries risks. Let’s see what the science says about it.

Animal files: Kiwi birds— unique birds

Find out why!

What’s a Galileo thermometer and how do you read it?

While it’s not the most precise instrument, it’s certainly one of the most attractive.

How hot is a sauna, and other steamy facts

There’s a big difference between wet saunas and dry saunas.

Tesla Model 3: All About The Most Anticipated Car Ever

A glimpse at the future: the electric, self-driven vehicle of choice for the average American home.

Here’s where you’d end up if you dug straight through the Earth

Spoiler alert: it’s probably not China. Or Australia.

Why is Gold yellow? Spoiler alert: it’s got to do with Einstein’s Theory of Relativity

Putting the ‘physics’ back into ‘bling’.

What is petroleum, and where does it come from?

You gotta crack some plankton to make crude oil.

What is the longest river in the world? That’s surprisingly debatable

Some scientists think the crown for the ‘largest river’ is like a competition. We explain why this silly.

What is pasteurization, and how does it keep milk fresh for 9 months at a time?

What wizardry is this!? Find out here.

The types of clouds: everything you need to know

Clouds come in all sorts of shapes and sizes. Some look cute and fluffy, others appear menacing and apocalyptic.

Plant Files: The Venus Flytrap

“This plant, commonly called Venus’ fly-trap,” Darwin wrote in 1875, “is one of the most wonderful in the world.”

Dinosaur videos — visualizing the terrifying lizards

Have a seat and grab some popcorn!

How amber forms — nature’s time capsule

It takes millions of years!