Red blood cells are discs curved inwards on both sides, without a cell nucleus. They are full of haemoglobin, a protein responsible for gas exchanges. At the core of a haemoglobin molecule is an iron ...
To European Commission president Ursula von der Leyen, Europe is like a Volkswagen Beetle – an iconic car produced by a once-mighty German manufacturer which has been struggling to adapt to a new ...
Some long-haul flights connecting Europe and Asia are emitting 40% more COâ‚‚ since the Russian invasion of Ukraine in February 2022, my new study shows. The spike is largely due to airspace closures ...