Vitamin C is one of the most popular products used to combat the common cold. But does it work? Greg Foot reviews the evidence for both vitamin C and zinc to see if they are The Best Thing Since Sliced Bread.He’s joined again by podcaster, rapper and actor Scroobius Pip and virologist Wendy Barclay from Imperial College London. The team will be giving you their Top Tips, backed by real scientific evidence, for beating the winter bugs.Presenter: Greg Foot Producer: Michelle Martin Researcher: Amelia West Studio Managers: Emma Harth, John Boland Editors: Deborah Cohen, Rami TzabarThe Best Thing Since Sliced Bread is a BBC Science Radio Unit Production.

Virology expert Wendy Barclay and epidemiologist Christopher Dye discuss the rising threat of H5N1 bird flu. They stress the importance of pandemic preparedness and scientific efforts. Also, GP Helen Salisbury delves into a manifesto for a sustainable NHS. The World Doctor's Orchestra provides a musical interlude.

Machine learning deciphers ancient Roman scrolls, NASA's PACE satellite monitoring Earth, bird flu impacting penguin and seal populations, International Day of Women in Science celebrated with profile of Dr. Jess Wade