Coronavirus variants and vaccines, climate ch...

Scientists have long referred to the Goldilocks zone – the region around a star where conditions are not too hot and not too cold but “just right” for life. Joined by a live audience at the Cheltenham Science Festival in the UK, Tom Whipple asks what are the true limitations of a ...  Show more

Secretary of Defence Pete Hegseth has announced that the US military will be screening military personnel aged 30 and older for testosterone deficiency. Those found with low testosterone levels will be offered voluntary hormone replacement therapy. The secretary says this is to e ...  Show more

The world loves coffee. We drink two billion cups each day! But it’s very vulnerable to climate change, and millions of coffee farmers are struggling. Rising temperatures, unpredictable rainfall and diseases are threatening our favourite caffeinated drink and the livelihoods of s ...  Show more

Fast-moving variants of the coronavirus seen in England, South Africa and Brazil have sparked concern around the world. Researchers worry some may diminish the potency of existing vaccines and complicate efforts to escape the pandemic. As COVID-19 cases started to climb in early ...  Show more

The so-called Indian coronavirus variant B617 is on a mission to take over the world, and it appears that it's slowly achieving that goal. According to recent data from the UK, it's edging out the local version B117 to become the dominant variant. So what does this all mean? Well ...  Show more

When all restrictions are lifted in a highly vaccinated country, how manageable is the coronavirus? Both Israel and UK’s experiments to do just that, have raised new worries about raising the risk of new vaccine resistant variants. Claudia Hammond and her panel of global experts ...  Show more