11:00 am - 12:00 pm
Sulphur dioxide pollution from coal-fired power stations can have bad health effects — but who picks up the bill, and could power stations be doing more?
Chlorophyll water has re-emerged as a darling of the wellness world – but does it stand up to the hype?
Ball games were happening 3,500 years ago, and ever since then we’ve bounced and batted in all sorts of fun ways. We’re especially interested in the mechanics of a ball curving as it travels through the air—which happens in swing bowling.
Night and dark with Dr Karl… When there is no moon at night, the sky is dark – apart from the light of the stars (let’s ignore the planets). There are thousands of billions of billions of stars, and together they give out a lot of starlight. So why doesn’t the night sky glow as […]