Main content
Â鶹ÊÓƵAV Inside Science National Insect Week, Venus' electric field, Green mining, Wimbledon grass science Algae: cleaning Welsh rivers
Wales has 1300 rivers with illegal levels of heavy metals. Toxic metals like lead, zinc and copper are a legacy from the many (now defunct) mines in the area. Natural Resources Wales and Innovate UK set a competition to look for technology that would clean up these rivers. One of the two winners is Steve Skill from Swansea University, who is now trialling a system where an algae-covered matrix extracts the toxins from polluted water as it flows past it.
This gallery is from
![]()
Â鶹ÊÓƵAV Inside Science—National Insect Week, Venus' electric field, Green mining, Wimbledon grass science
Adam Rutherford finds out why insects are being celebrated across the UK.
Â鶹ÊÓƵAV Radio 4
