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17-Jun-2016
There’s a reason that it’s strongly recommended not to pick wild mushrooms unless you’ve had training in recognising the different types; some mushrooms containing deadly toxins can look almost identical to those that are perfectly safe to eat. Of the various types of mushroom toxins, those which cause the greatest number of deaths are the amatoxins and orellanine.
The sinisterly named ‘Death Cap’ and ‘Destroying Angel’ mushrooms both contain amatoxins. The amatoxins are a family of structurally similar compounds, with minor changes in parts of the structure determining the different types, of which ten are currently known. The main amatoxins commonly found in significant quantities are α-amanitin, β-amanitin and γ-amanitin, all three of which have a median lethal dose of around 0.5-0.75 milligrams per kilogram of body weight.
2018’s biggest science stories
As we head into 2019, it’s time to take a look back at some of the biggest science news stories over the past year. This year’s science news featured water on Mars, the effects of e-cigarettes, new types of isomerism and bonding, and more! 2018 saw a number of significant discoveries in sci ... more
Unleashing our immune systems against cancer
The first of the 2018 Nobel Prizes is awarded. The 2018 Nobel Prize in Physiology or Medicine was awarded to James P. Allison and Tasuku Honjo for their discovery of cancer therapy by stimulating the immune system to attack tumour cells. This graphic takes a look at the prize-winning research. more
The creation of tools made from laser light
After the Nobel Prize for Physiology or Medicine has been awarded, it is physics' turn. The 2018 Nobel Prize in Physics was awarded to Arthur Ashkin, Gérard Morou and Donna Strickland for their pioneering innovations in the field of laser physics. Strickland is only the third woman to recei ... more
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