Features on ZME Science

The different types of clouds: what they mean for weather

Clouds come in all sorts of shapes and sizes. Each type can mean different weather conditions.

What happens in the brain when you mix marijuana and alcohol

Mixing alcohol and marijuana, known as crossfading, can amplify the highs but also the lows.

Why some people have ingrown toenails, explained by science

Ingrown toenails are a common but painful problem.

Leonardo da Vinci inventions and studies that changed the world

Some of these are centuries before their time.

The Vampire Bats: Yes, They Do Exist, But They're Not What You Think

The truth is often more interesting than the myth.

The reason why ice floats

A.k.a why our lakes are not completely frozen over and why your ice floats in your cocktail.

Why the Earth's iron core is solid -- even though it's hotter than the sun's surface

A lifelong debate surrounding the inner core's phased was finally settled by Swedish researchers.

Why the most expensive coffee in the world is ingested and then defecated

There are many types of coffee in the world, each with its own particular taste and aroma. The quality and the price of coffee can vary greatly, and sometimes, it can go way overboard. For instance, the most expensive types of coffee are the ones that have been ingested and defecated. What makes this process […]

What is ecotourism and why we need more of it

It's a way to do a massive difference and it's something which I hope more and more people will start doing.

The Plum Pudding Model: how a flawed idea was instrumental in our understanding of the atom

The tale of how an old British cake influenced leading physicists.

The Lemon shark: an elusive but familiar predator

When life gives you lemon sharks, make... science?

Types of triangles and other triangle facts

These simple shapes hide a lot of intrigue.

Japanese scientists measured how much capybaras enjoy their hot baths

Spoiler alert: a lot.

The newest chemical elements in the periodic table -- and the quest for more

The time of the uu's is over!

The hottest hot springs: Around the world in water, heat, and geology

Which one is your favorite?

Not just #Bard: remembering 5 embarrassing tech demo epic fails that wiped out billions

Google's fail with Bard is just the latest in a long streak of embarassing flopped demos.

Why is Gold yellow? Spoiler alert: Einstein again

It turns out you don't have to look further than gold jewelry to experience Einstein's relativity.

What, really, is the speed of sound?

Unlike the speed of light, this one isn't constant.

What are biofilms and how do they form?

Bacteria learned there's strength in numbers. These communities are called biofilms.

Why Pluto should be considered a planet

The decision to demote Pluto to a dwarf planet was arbitrary rather than being based on science.

Trilobite facts: from compound eyes to combat tridents, these remarkable fossils have a lot to say

Megabyte, Gigabyte, Trilobite.

The types of vaccines that help our society gain the upper hand against disease

Here is why vaccines are the greatest miracles of medical science.

The best coffee beans: what type of coffee comes from what beans

There are over 120 known species of coffee.

Who invented pizza? A trip down memory lane

Grab a slice!

A calico lobster? The science behind rare lobsters is mesmerizing

Rare or not, lobsters are intriguing enough to grab our attention.

How to make tea -- the perfect way to brew, according to science

Brewing the perfect tea is as much an art as it is a science.

How coal is formed

It's a recipe that requires lots of dead plants, cooked at high pressure and temperature for millions of years.

If we want companies to stop burning fossil fuel, why are we paying them for it?

Subsidies for fossil fuel are preventing us from truly transitioning towards renewable energy.

The hot difference between lava and magma, according to experts

One's always beneath the surface, the other is steaming outside.

How to make soap at home -- the science and art behind soap making

Soap making is one of those science experiments you can do at home that will almost always work if you know what you're doing.

The different types of plants in the world

So many different kinds!

What are prime numbers and why do they matter -- yes, even in your day-to-day life

Prime numbers are one of the most fascinating mysteries of mathematics, and the more we look at them, the weirder they get.

The Thickest Layer of the Earth: The Mantle

The mantle is a whopping 2,900 km (1,802 miles) thick, and it's by far the thickest layer of the Earth.

The sleepless elite: are you a short sleeper?

Many claim to be a part of the sleepless elite. But short sleepers are few and far between.

What are lenticular galaxies?

Different from the other types of galaxies, lenticular galaxies are a puzzle in terms of how they were formed.

Does the 'Superhero' pose actually make people feel more confident?

A lot of bold claims have been made about the psychological impact of standing tall with a puffed chest and hands plants on the hips.

What is the scientific method: our best tool for unlocking the secrets of the universe

Here's how to do science.

Why do we stretch when we yawn?

We all do it.

What is osmosis: a critical principle in biology

Osmosis -- the natural movement of water into a solution through a semipermeable membrane -- is central to all of biology.

10 geographical facts you're not going to believe

Our world is a strange and awesome place - but some things are just hard to believe!

Myth bashing: Bears are not ferocious flesh-eaters

Their diet is mostly plant-based!

What is Borax and is it safe?

Borax is a versatile mineral that has been used for centuries for a variety of purposes, from cleaning to preserving food.

How many birds are there in the world?

There are about six times more wild birds than humans on planet Earth.

This hairy 'Wolverine' frog breaks its own bones to extend cat-like claws

In Cameroon, some frogs are nothing like the benign variety we're used to.

How caterpillars gruesomely transform into butterflies

From humble beginnings as caterpillars, these insects undergo a remarkable metamorphosis that turns them into one of nature's most elegant creatures.

The Stoned Ape Theory: the wild idea that psychedelics shaped the evolution of humans

Although people call it a theory, it's really just a hypothesis. But -- a very alluring one.

What's behind lithium mining? Here's all you need to know

Lithium mining is essential for supplying the world with batteries. But there's a dark side to it.

What is Mitochondrial DNA and Mitochondrial Inheritance

Mitochondrial DNA is inherited only from the mother, and there's a lot we can learn starting from this basic fact.

WiFi routers can see people through walls. Here's how it works

With the help of AI, the researchers were able to detect the movement of human bodies in a room using Wi-Fi routers -- even through walls.

Hikikomori, the Japanese phenomenon of extreme social isolation is going global

Loneliness is a big issue in Japanese society — and not only there. Especially among its older population, it has become a severe plight, and there are signs that even among the younger population, loneliness is on the rise. Among elderly men who live alone, over 15% regularly have days when they don’t speak to […]

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