How do animals experience pain?
Adults Biology
Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species?
Is Hand Sanitizer Actually Bad For You?
Adults Biology
Should you stop using hand sanitizer?
How to master your sense of smell
Adults Biology
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.
How These Sea Shells Know the Weather in Greenland
Adults Biology
Foraminifera - tiny, single-celled marine life forms - build gorgeous houses that record how much ice there is on the planet.
You Have A Second Brain
Adults Biology
Written by Annik Carson, Gregory Brown, Rachel Salt and Mitchell Moffit
Why are there so many types of apples?
Adults Biology
Have you ever walked into a grocery store and wondered where all the varieties of apples came from?
How Do Animals See in the Dark?
Adults Biology
To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, shapes, and colors.
What is the biggest single-celled organism?
Adults Biology
The elephant is a creature of epic proportions - and yet, it owes its enormity to more than 1,000 trillion microscopic cells.
How a single-celled organism almost wiped out life on Earth
Adults Biology
There's an organism that changed the world. It caused the first mass extinction in Earth's history
What Is Life? Is Death Real?
Adults Biology
So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things.
Why do we hiccup?
Adults Biology
The longest recorded case of hiccups lasted for 68 years ... and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these 'hics' in the first place? John Cameron takes us into the diaphragm to find out.
Rosalind Franklin: DNA's unsung hero - Claudio L. Guerra
Adults Biology
The discovery of the structure of DNA was one of the most important scientific achievements in human history.
What is obesity?
Adults Biology
Obesity is an escalating global epidemic. It substantially raises the probability of diseases like diabetes, heart disease, stroke, high blood pressure, and cancer.
How the choices you make can affect your genes
Adults Biology
Here's a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different - even in traits that have a significant genetic component?
We Can Now Edit Our DNA. But Let's Do it Wisely
Adults Biology
Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases.
How Big Can a Person Get?
Adults Biology
Some animals, like the blue whale, keep getting bigger and bigger over time! How big are humans able to grow?
What Are You?
Adults Biology
So. Are you your body? And if so, how exactly does this work? Lets explore lots of confusing questions.
Why do some people have seasonal allergies?
Adults Biology
Ah, spring. Grass growing, flowers blooming, trees budding. For those with allergies, though, this explosion of new life probably inspires more dread than joy. So what's behind this annual onslaught of mucus? Eleanor Nelsen explains what happens when your immune system goes rogue.
How Does An Owl Fly So Silently?
Adults Biology
Using sensitive sound equipment the team try to find out how an owl can fly so silently compared to other birds.
The science of skin color
Adults Biology
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change.