Articles on Blood

Displaying 1 - 20 of 41 articles

When you have a wound, your body gets to work straight away to clean it out, kill germs and repair the skin. Shutterstock/Yakobchuk Viacheslav

Curious Kids: how do wounds heal?

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.
Here’s what’s happening in your body if you’re feeling faint. William Moss/Shutterstock.com

Why do people 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.
Activated platelets (purple) on their way to heal a wound. Sebastian Kaulitzki/Shutterstock.com

Platelets: The chameleons of cancer biology

Platelets heal wounds. But they also seem to play a paradoxical role in both promoting and inhibiting the growth of solid tumors.
Photo by Mikhail Vasilyev on Unsplash

Curious Kids: do ants have blood?

Ants have something similar to blood, but it's called haemolymph. Some insects use it in unusual ways. When threatened by a predator, blister beetles can squirt haemolymph from their knees.
More than 80 per cent of the plasma Canada now uses for medical purposes comes from paid donation in the United States. (Shutterstock)

Why Canadians should be paid for blood plasma donation

Canada suffers a shortage of vital blood plasma. Paying donors, through a non-profit like Canadian Blood Services, would secure a local supply without lining the pockets of corporate shareholders.
Marius Wernig, Thomas C. Südhof and their colleagues created these “Induced neuronal (iN) cells” from adult human blood cells. Marius Wernig

Neurons made from blood cells – a new tool for understanding brain diseases

Figuring out what causes diseases like autism, schizophrenia and depression is tricky. Now Stanford University researchers are turning blood into brain cells to study these diseases in a dish.
Blood has always been a symbol of life and has been thought to counteract the ageing process. Mai Lam/The Conversation NY-BD-CC

Young blood: magic or medicine?

Recent scientific studies have claimed that transfusions of blood from teenagers can help delay or reverse the ageing process. Do they stack up?
Britain’s Prince Harry poses with Meghan Markle in the Sunken Garden of Kensington Palace on Nov. 27, 2017. Toby Melville/Reuters

Is the British monarchy actually adapting to changing social norms?

Much of the Harry and Meghan coverage has ignored the royal family's complicated history with race and "blood" and its insistence on continuing outdated traditions.
Part of Jordan Eagles’s Blood Equality – Illuminations, 2017, an installation that uses imaged blood on plexiglass.

Spilling blood in art, a tale of tampons, Trump and taboos

Contemporary artists from Judy Chicago to Stelarc have made art from blood. And an exhibition at Melbourne's new Science Gallery addresses our ambivalent attitudes to this life-giving fluid.
We know blood is vital for life, do we know why? Illuminations: Blood Equality by Jordan Eagles (USA) Image credit: David Meanix and courtesy of artist as part of Science Gallery Melbourne’s BLOOD exhibition

Essays on blood: why do we actually have it?

Everything you never knew about the red stuff in your veins.

Top contributors

More