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Why do dogs wag their tails? Your pet is trying to communicate

Most people think dogs wag their tails when they're happy. But that's not entirely true at all.

What is carbon neutrality and how can it be achieved?

It won’t be easy but we have to do it for the future of the planet.

Should vaccinated people wear masks indoors? Here's what the experts say

The Delta variant has changed the equation, and experts suggest we err on the side of caution.

A revolution against cancer is unfolding -- and we're just getting started

Can controlling cancer finally be on the menu?

The best countries to survive the apocalypse

Let’s hope the scenario stays hypothetical.

These are the cheapest electric vehicles in the US today

They are incredible efficient and their costs are constantly going down

The artificial womb -- a fast-approaching frontier for humanity?

A dive into techno-ethical discussions around this potentially crucial science.

How wind turbines work -- here's what you need to know

They are gradually becoming one of the leading renewable energy sources around the world

Iconic photos of Earth taken by Apollo astronauts, digitally restored and in full glory

Some of the most iconic images of Earth from space have been brought to new light.

Archaea: the invisible powerhouses of the planet

Archaea are probably the most successful beings on Earth. They've been around for billions of years and can survive almost anywhere.

Derinkuyu: the ancient underground city, once home to 20,000 people

The maze-like underground city resembles an ant colony.

What is Black Fungus disease, and why you should care

As the city of Delhi recently reported more black fungus cases than COVID-19 cases, it's becoming clear that India's health woes are far from over.

Why don't satellites fall down from the sky?

They keep falling, but not down.

What causes earthquakes -- and what you should do if hit by one

The movement of tectonic plates can sometimes cause the surface of the plane to rumble. But there's more to it.

What Is Dark Energy?

Dark energy accounts for as much as 72% of the Universe's matter and energy content and drives the accelerating expansion of the Universe. Yet this cosmic element is a lingering mystery.

The UK's per capita emissions haven't been this low in 150 years

Britain's greenhouse gas emissions haven't been this low since the Industrial Revolution -- and the difference maker is coal.

How we know climate change is happening -- and that we're causing it

We're way past the point of doubts on this one.

The Pythagorean cup - the vessel that spills your booze if you're too greedy

One of the finest bits of mathematical trolling by the great Pythagoras himself.

CRISPR could save billions of male chicks every year. Here's how

It's an invention that could end a tsunami of animal suffering.

How many astronauts have gone to the moon?

Only 12 astronaut boots touched down on the lunar surface. But more are about to arrive soon (and they likely won’t be American).

How many Earths can you fit inside the sun?

You could fit nearly one million Earth-sized planets and the sun isn't even that big of a star.

What is lupus?

One of medicine’s ‘great imitator’ diseases.

The biggest dams in the world -- the definitive list

They are really massive!

The Delta variant is a serious threat, and unvaccinated people are increasingly at risk

Vaccinations can help reduce transmission, but we're nowhere near to herd immunity.

The largest dams in the world -- by water capacity

These are some chonky constructions.

The mystery of an abandoned village in England that can still be seen from the sky

There are around 2,000 deserted villages in England, but Gainsthorpe is perhaps the most mysterious of them.

What are climate tipping points?

We are much closer to crossing them than we think -- and it’s all because of our greenhouse gas emissions.

Why do flamingoes stand on one leg?

They are among nature’s most beautiful birds — and also one of the strangest.

It burns so good: why do some people like spicy food?

I get flustered just looking at a pepper so I’m not one of them.

A supercomputer helped set up the World Chess Championship game

The supercomputer practice was well worth it.

This is probably not the last time we've heard of bat viruses

We still don't know where SARS-CoV-2 came from -- but bats are a major virus reservoir in general.

What are Gravitational Waves?

Not only do gravitational waves represent the ultimate confirmation of the theory of General Relativity, they will provide us with a new way to see the cosmos. But what are these ripples in spacetime and where do they come from?

What is gympie-gympie: the poisonous plant whose painful sting can last for years and drive people to suicide

Its leaves pack one of the most painful stings in the world. There is no antidote.

How a deaf Beethoven discovered bone conduction by attaching a rod to his piano and clenching it in his teeth

Beethoven wrote dozens of symphonies and songs while deaf. But he had some help from a nifty trick.

Here are the world's most favorite fruits -- judging by production figures, at least

They really do good for the body and soul, so don't be afraid to chow down on some fruit today!

What is DNA: the blueprint of life

Everything you need to know about the hereditary material in humans and virtually all other organisms.

Faster, greener, cheaper: Your next home may be printed instead of built

Less carbon footprint. Less time. Less cost. Bring in the industrial-sized 3D printers.

Why do paper cuts hurt so damn much?

They are really the worst

Do women really like beards? Here's what the science says

Should you grow that beard or keep it shaved?

How wireless charging works -- and why it can be a game changer

Here's how wireless devices receive power -- and why it's such a big deal.

What is the Standard Model of Particle Physics?

The Standard Model is our best description of the subatomic world. Join ZME for a stroll through the particle zoo.

What is globalization: how goods and people move across an ever-smaller world

We’ve been moving towards it ever since we first learned how to farm.

You've heard about genome sequencing -- but what's exome sequencing?

It's a method that can help detect rare genetic disease.

Nanorobotics: what it is, what it can do, and how it can become reality

A look at the hurdles obstructing the entrance of nanorobots into clinics -- and the potential solutions.

How Tibbles the cat possibly caused an entire species to go extinct

A cautionary tale we've failed to heed more than a century later.

The world's donkeys are threatened by demand for Chinese traditional medicine

Donkeys are undergoing their worst crisis ever.

What is MDMA: party drug or therapeutic agent?

At home in both weekend raves and the psychiatric ward, MDMA is not your typical street drug.

What is dark matter? A deep dive

84.4% of the matter in the universe is something that we don’t really understand yet.

What is creatine: the most studied sports supplement

In an industry filled with fakes and scams, creatine monohydrate is like a breath of fresh air.

What is asexual reproduction: nature's virgin birth

The very first life forms were likely self-reproductive. Many still are to this day.

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