Blood – Analysis and Comment

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.
Metabolism can change after weight loss. Women measuring waist image via www.shutterstock.com.

Why so many people regain weight after dieting

Weight loss often leads to declines in our resting metabolic rate – how many calories we burn at rest – which makes it hard to keep the weight off. So why does weight loss make resting metabolism go down?
Staph aureus bloodstream infection has a 12-month death rate of between 20 and 35%. Joe Techapanupreeda/Shutterstock

Golden staph: the deadly bug that wreaks havoc in hospitals

Which of the following conditions would you prefer to have during your next stay in hospital? A. Staphylococcus aureus (Golden Staph) bloodstream infection; or B. a heart attack?
Blood is categorised by the naturally occurring proteins and sugars on the surface of red blood cells. Jon Åslund/Flickr

Health Check: what does my blood group mean?

Few discoveries have revolutionised the practice of medicine as much as the discovery of human red blood cell groups. Unlike modern vampire and Time Lord mythologies, blood groups don’t have a particular…
A child in Senegal waiting to be tested for sickle cell anaemia - in parts of Africa up to 40% of the population can carry the sickle cell gene. EPA/Pierre Holtz

Explainer: one day science may cure sickle cell anaemia

Genetic mutations that affect our blood cells’ haemoglobin are the most common of all mutations. It has been estimated that around 5% of the world’s population carry a defective globin gene. Haemoglobin…
You may never know exactly why you get bitten more than your friends. Jason Verwey

Monday’s medical myth: mosquitos prefer sweet blood

It’s quite a romantic notion that the sweetness of our blood attracts mosquitoes. But in reality, it’s probably the cocktail of stinky microbes on our skin that really draws them in. It’s hard to know…
We share many behaviours and characteristics with our primate cousins and now we know our blood types are more closely linked as well. AAP Image/Taronga Zoo

As easy as A, B … humans and other primates are blood brothers

A study published in PNAS this week has confirmed that human blood types were present in one of our ancient primate ancestors. The ABO blood groups Beloved by genetics teachers the world over, the ABO…