There's a lot of talk at the moment about an app which could track our interactions with others, and alert us if we've been in contact with someone who's tested positive for COVID-19. But how challenging is it to make such a tracing app? Can it be successful, amongst concerns over data privacy? We get in touch with Dr Grant Blank to hear his thoughts...

We have a hungry and growing world population. How can we ensure we have food security into the future? Perhaps chloroplasts could help! Find out what's so special about these tiny cell compartments in our new animation!

Find out about a 7350km journey from Namibia to Kenya, where Dr George Busby and his team took genetic sequencing techniques into the field, to help fight malaria.

Don't think of your body as a mechanical structure? Think again! It's a feat of meticulous engineering...

Dr Paris Stefanoudis tells us all about the Nekton project, its past and planned missions, and the role it’s playing in helping us to find out “What’s in the Indian Ocean?”.

Oceans cover more than 70% of the Earth's surface, yet only 15% of the ocean floor has been mapped in detail. Much remains unknown, including the location of potentially hundreds of thousands of seamounts (underwater mountains), which can be hazardous to navigation. Scientists at the University of Oxford are working with others to compile the most comprehensive analysis of the ocean floor yet.

We're living in strange and difficult times, and we all need access to reliable information. But how do we know which sources to trust? Can we trust scientists? We chat to Brian Earp to pick his brains on the matter...

The placenta is a fascinating organ, which allows communication between mother and foetus through the release of bubble-like vesicles. Could the messages within these vesicles provide an early warning of diseases such as gestational diabetes and preeclampsia?

In all likelihood, you've got a lot of questions about coronavirus. That's why Emily - armed with questions from her family - paid a visit to Prof Christl Donnelly, an expert in disease outbreak modelling from the Department of Statistics.