After decades of improvement, the number of malaria deaths is on the rise again. So scientists are experimenting with a new kind of mosquito control, and it's not an insecticide.

Fentanyl has become a primary cause of the opioid overdose epidemic in the past decade. But what is it about this drug that's so dangerous? There's more to the story than meets the eye.



If you’re ever in the position...

The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...

How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.

Plagues of locusts have been documented since ancient times, and they affect the food supply of one in ten people today. How can we stop them? Well, computer models of locusts swarms tell us every locust is scared to death of its neighbors.

If you hear birds chirping in the trees, you might not think much of the different sounds you're hearing. But as it turns out, those tweets and chirps have a lot more in common with some of our complicated rules of grammar than you might...

While they are incredible engineering marvels, we don't think about bridges all that much. But there's a good reason we should all be thinking about our bridges, since there's a weird reason that more of them might be at risk of failure...

In 2023, a whole bunch of orcas started attacking boats off the coast of Spain. Was this the first battle in an all-out interspecies war? Well, probably not. But it's a pretty neat look into how trends come and go in orca pods - like...

Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.

Most animals on earth are bioluminescent, but almost all of them live in the ocean - and scientists aren’t sure why.

The human population of the world will soon peak – and then decrease – thanks to a combination of two quickly changing economic and educational trends.

Methuselah’s environment lacks nutrients, water, and oxygen. In other words, it’s the perfect place to grow very very old.

Plants don't make caffeine just for us, so what DO they make it for?

This video written & produced in collaboration with Aatish Bhatia,
=
'https://www.aatishb.com' target='_blank' rel='nofollow'>Bhatia,

This video is about how cheap, fast, and LESS sensitive rapid antigen tests might be...

The Solution to the Windmill Paradox. This video is about the tradeoff of Windmills: the fact that the more kinetic energy you extract from the wind the slower the wind goes, the less wind you have to extract energy from, etc. How much...

This video is about elastic and inelastic collisions in 1D, 2D and 3D - and how the collision of conservation of energy with conservation of momentum, plus a secret direction, results in a completely predetermined behavior for most...

Explore how to solve Punnett squares that involve sex-linked traits, specifically focusing on X-linked traits. Video has a resource available hereref='https://www.amoebasisters.com/handouts' target='_blank' rel='nofollow'>here This...

Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.

On remote, rocky North Pacific islands, you may find a cute little bird that just so happens to smell like tangerines.

Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.

You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that! *We made a mistake in the credits of this video: The writer of this episode was Alane Lim.

What on earth is a xenophyophore? It's a single-celled organism that unlike what you might think is NOT microscopically small. In fact, these ocean dwellers are a little heftier than that! Learn all about them in this new episode of...

Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!

Hank usually likes to keep science and politics separated, but the reality is that a lot of scientific research in the United States is funded by the government. This is a problem right now because the disfunction in the world of...