Our bodies heal in some amazing ways. Scabs can be an important part of the healing process after we get a cut or a graze.
UK transfusion services are world-leading in being the first to take an approach based on the sexual behaviour of all donors.
New laws due this summer will allow gay men who have had the same partner for three months or more to give blood
Workmen dissecting a whale carcass in Antarctica, circa 1935.
Hulton Archive via Getty Images
For 200 years, a small number of countries have exploited the marine wildlife of Antarctica, often with devastating impact on their populations.
Pink blood, green blood, or no blood at all – when it comes to what's inside a worm's body, the answer is more complicated – and fascinating – than you'd think.
Plasma is the yellow liquid component of blood. It is separated into its component proteins and used in medical treatments.
A potential shortage of crucial blood plasma highlights the case for paying Canadians for plasma donations, rather than continuing to import most plasma from the United States, where donors are paid.
Here’s some facts you ought to know.
LightField Studios/ Shutterstock
We're full of blood – around five litres, on average.
A century old therapy is being tested on patients with COVID-19.
Her deep breath has to get to the baby.
electravk/Moment via Getty Images
A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.
COVID-19 causes blood clots in some people. If these clots get into the lungs, brain or heart, they can cut off blood supply and oxygen, causing pulmonary embolisms, strokes or heart attacks.
Cold and sweet in the heat.
Raj K Raj/Hindustan Times via Getty Images
Have you ever felt a piercing pain in your head when you eat something cold?
Testing blood provides answers about who has been infected.
Sean Gallup/Getty Images News via Getty Images
After your body fights off an infection, antibodies remain in your blood. Two researchers explain how tests identify these antibodies and what the data can be used for.
A person who has recovered from COVID-19 donates plasma in Shandong, China.
STR/AFP via Getty Images
Before a vaccine is available to teach your immune system to ward off the coronavirus, maybe you can directly use molecules that have already fought it in other people.
© Wellcome Collection
Grisly early experiments laid the foundation of our understanding of how to keep organs 'alive' in isolation.
Our bodies are made up of cells that multiply to repair our organs. But organs like our liver and skin are better at regeneration than our brain.
We can answer this question by looking at the differences between the first, second and third layers of our skin.
It’s one of your body’s most basic vital signs.
Trying a new exercise routine? Strapping on a new wearable monitor? An expert in human physiology explains the ins and outs of your heart rate and why it's a valuable number to understand.
Blood has special traits unique to every person.
Every person's blood is identified by type. Why does this matter?
When you have a wound, your body gets to work straight away to clean it out, kill germs and repair the skin.
The body tries to plug a wound quickly to stop germs getting in through broken skin and making you sick. But behind the scenes, your blood is working hard to repair a wound.
When you’re feeling sick, your immune system is fighting to get you well again.
The white blood cells act as an army of fighting cells, protecting your body from bad cells known as germs. White blood cells can capture germs and even swallow them.
Here’s what’s happening in your body if you’re feeling faint.
Most of the time, different parts of your nervous system work in balance. But sometimes things can get out of whack – and that's when you might end up experiencing what medics call syncope.