The concentration of CO2 in the atmosphere at the last ice age, some 19,000 years ago, was about a third lower than just prior to the Industrial Revolution. Where this carbon was stored during that frozen time is a mystery scientists have long sought to solve.
Whenever I start a presentation about water governance, I ask the audience if they know what the price of a litre of tap water is. Usually the room goes quiet, shoulders shrug and only a few make a guess, usually an overestimation. My next question is about the price of a litre of petrol. Within a split second, I get the right answer from the audience.
A study published today by Dr Beth Mortimer and colleagues at the Department of Zoology and University Carlos III of Madrid reveals that orb weaving spiders can compare 3D vibrational inputs into their 8 legs from the web to locate prey.
In a series of videos launching The Mathematical Observer, a new YouTube channel showcasing the research performed in the Oxford Mathematics Observatory, Oxford Mathematician Michael Gomez (in collaborat