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Why is the ocean blue?

It's all due to the physics of the scattering of light.

What function does the appendix serve?

Far from useless, the appendix is important for maintaining gut flora and supporting the immune system.

16 Dog facts we've only learned in the past few years

Man's best friend has been with us for millennia, but we're still learning new things.

What are Cistercian numbers -- the forgotten ciphers of Medieval monks

A system of numerals that is written down like tic-tac-toe.

7 brainy reasons why crows and ravens are the smartest birds in the world

Who you calling bird brain?

The Hidden World of Mathematics in The Simpsons

From pi to Mersenne primes, from Euler's equation to the unsolved riddle of P vs NP, The Simpsons is filled with hidden math gags.

Why Roman concrete is stronger than it ever was, while modern concrete decays

Concrete in some Roman piers is not only still viable today but stronger than it ever was. Its secret sauce? Seawater.

Examples of electricity in nature

Electricity is quite busy in the natural world.

Climate change. Facts and figures behind mankind's greatest challenge

The effects are already visible and will get worse if the world doesn't act fast.

Dogs dream too. But what about?

Dogs dream in much in the same way we do, based on their daily experiences.

Resistance is futile: what viruses are, and why we'll never 'beat' them

They’re the most successful group on the planet, and they’re not even alive.

What is Mendel's Law of Segregation

A 19th-century monk grew over 10,000 pea plants to discover the fundamental laws of inheritance.

Time Travel Without the Paradoxes

Join ZME Science in its carefully non-copyright infringing time machine with your sidekick ‘Marty’ to see if time travel paradoxes can be escaped.

Why do days get shorter and darker with autumn?

It's time to leave behind the sunny and longer days of summer

Quantum Teleportation: Separating Science Fact from Science Fiction

Quantum teleportation may take its name from its fictional counterpart, but aside from that, it shares few commonalities. Despite this, by forming the basis of future quantum technologies, it is no less exciting.

What are the strong chemical bonds?

They really tie the room together.

How much do clouds weigh?

A typical cumulus cloud weighs as much as 100 elephants.

Meet the goliath bullfrog: the largest living frog on Earth

These beefy amphibians are so strong, they can hurl 2 kg rocks to build their own ponds.

What is catnip why do felines go crazy over it

Oils found in catnip makes felines enter a frenzy of delight. No worries, it's non-addictive and harmless.

What is viscosity: through thick and thin

Some fluids don't really like going with the flow.

What is calculus and how to get the hang of it

Derivatives, integrals, fun, and laughs, we have it all here.

Why is the ocean salty?

No matter how salty you get, you'll never be as salty as the ocean

What's the largest desert in the world? (Hint: It's not the Sahara, according to experts)

They cover more than one-fifth of the planet and are on every continent

Is the tomato a fruit or a vegetable? Why not both?

It depends on whether you ask a botanist or a cook.

What's a virus, anyway?

The coronavirus is the buzzword of the year, but what's a virus and how does it spread?

What is the neutrino: a hauntingly significant particle

Neutrinos interact so weakly with matter and yet, are of vital importance in the processes that govern the Universe. This is the story of the ghost particle that haunts modern physics.

The uneasy story of how the Great Auk went extinct

A burning reminder of how mankind can drive species to extinction.

The most common types of fossils -- finding ancient life preserved in rock

A foray millions of years into the past.

What is cellular respiration: from food to ATP

Cellular respiration allows cells to harvest ATP from glucose. It has three steps called glycolysis, the Krebs cycle, and the electron transport chain.

What is entropy, and why is it always increasing?

Room's a mess again? It's physics's fault.

What is chromium, the hardest metal on Earth

So shiny.

What is temperature and what does it truly measure?

Temperature is a measure of the average kinetic energy of the particles in an object.

Certainly Uncertain: What's Heisenberg's Uncertainty Principle

Heisenberg’s uncertainty principle is more than a mathematical quirk, a handy guiding principle, or the inspiration for some really nerdy t-shirts. It is intrinsic to nature, weaved into the fabric of all matter. Together we take a trip to ZME labs to use some everyday objects to demonstrate how nature tells us “you can’t have it all.”

What is Superposition? Schrödinger's Cat Experiment Explained

The tale of physics’ most famous cat is one that is familiar to many, but what is the inside story of the feline so demanding it requires its own Universe, and how does it illustrate the 'weirdness' of the quantum world?

The unusual origins of our favorite spices

Have you ever stopped to wonder where black pepper, vanilla, and cloves come from?

Cork: what is the material we stuff our wine bottles with?

It's sustainable and surprisingly versatile!

What is the vacuum of space?

Nature hates a vaccuum -- so why do we have one?

It's time to rediscover the forgotten crops of the world

They are tasty, nutritious, and hardy to boot.

Humans aren't the only animals that get drunk (or worse): here are a few others

All life likes to party.

Plastic is everywhere. But what are its main types? A simple explainer

The blessing and the curse of plastic.

A look at the hottest dating trend of 2020 -- radiocarbon dating

This technique is currently our key to the past.

What causes the wind and where does it come from?

Differences in air pressure are what drives the formation of wind. But, ultimately, the wind is caused by the Sun.

Pollination 101: the basics on what it is and why it matters

What's all the buzz?

Animals take medicine when they are sick: a few striking cases

What do primates, birds, bees, and butterflies have in common? They all use medicine -- it's more common than you think.

Dinosaur names: complete your vocabulary with these awesome dinosaurs

Exploring the fascinating origins and meanings behind some of the most iconic dinosaur names.

Is there a hoax related to climate change?

It's real, it's dangerous, but some people want to make it seem like a joke.

The hard difference between horns and antlers

Here’s to some truly impressive headgear!

Pumice: the floaty, foamy, fragile stone and its uses

Its name shares a root with the Latin word 'spumam' ('foam').

The saber-toothed cat: the most memorable extinct megafauna

There's more to these amazing prehistoric animals than their long canine teeth.

Why do dogs have whiskers?

Whiskers allow dogs to "see" things that are literally under their noses.

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