Article
Compound infections
Why does the number e appear in models of exponential growth?
News story
Careful with your Christmas b(a)ubbles
Modelling shows that your choice of how many households you bubble with this Christmas can make a real difference to the spread COVID-19.
Article
How long until it's all over?
We can't say for sure, but everything depends on how many people agree to be vaccinated.
Article
Who should be vaccinated first?
Modelling shows that old and vulnerable people should be prioritised.
Article
How were the vaccines tested?
Like any medical drug, vaccines are tested in large-scale randomised controlled trials.
Article
How effective are the vaccines — and how do we know this?
The efficacy of vaccines is estimated from trials, using statistical techniques.
Article
Since herd immunity will protect us all, why do I need to get vaccinated?
Because the vaccine may not stop transmission of the virus.
Article
Are the vaccines safe?
Yes the approved vaccines are safe. If you balance the risks, then taking the vaccine is much safer than taking your chances with COVID-19.
Article
What's the price for relaxing the rules?
We are all longing to go into a lower tier, but this can come at a high price later on.
Article
Some lovely proofs by picture
Don't like trigonometry? Don't worry, here are three beautiful proofs of a well-known result that make do without it.
News story
Giving numbers meaning
Our favourite communicator of risk talks about the statistics of COVID-19, the quality of government briefings, and how to counter misinformation.
Article
Maths in a minute: Triangular numbers
Triangular numbers: find out what they are and why they are beautiful!