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What actually moves him [a scientist] is his unquenchable curiosity–his boundless, almost pathological thirst to penetrate the unknown, to uncover the secret, to find out what has not been found out before. His prototype is not the liberator releasing s
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5 Oct 2026
Richard Scarr
It is with great sadness that we have to announce the passing of Richard Scarr. He was always an enthusiastic biologist and a dedicated educator. After reading Biology at Kings College in London he taught...
12 Aug 2026
Exam practice questions
Over the summer we have completed a full set of exam practice question pages, one for each topic. These pages are great for homework or revision. The Exam practice concept; The pages all have “exam practice”...
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Subscriber comments
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Dear Lauren, I have just tested a dichotomous key activity with my IB2 class. I will post it here asap.Best wishes, David
Biodiversity of species & DNA -
Dear Faye,There has been an technical update to improve the appearance of pages, this hides the left hand menu. If you zoom out it reappears. Sorry for the inconvenience I will add page links to the bottom of the page just to be sure. This...
Organisms level resources (A3,B3,C3,D3) -
Dear Eugenia, Thanks for your message. All the links for the documents are on the left hand column which seems to disappear now, if you are zoomed into the page, or in presentation mode. When you zoom out the links reappear. I'll try to...
Organisms level resources (A3,B3,C3,D3)
Shannon
Thanks David! Thyose are a big help. My students usually have no previous experience with hexagon activities, so early in year one it helps to have a few models so they see what we are going for. (And using them on a provided illustration...
Virus structure & function (2025)