The Welsh Conservatives say fewer young women are studying science subjects at A Level.
Boys outnumber girls by five to one.
The Chief Scientific Adviser for Wales says a science plan's being developed.
It'll include actions to address the low take up of girls for A level physics.
More top news
The Welsh Assembly election is less than a week away and the treatment and care of cancer is one of the more contested issues.
Tributes have been paid to an ambulance driver killed in a crash with another ambulance in North Wales.
Tonight is expected to be clear and dry - though some parts of Wales will experience frost.