Einstein's Tea Leaves Inspire New Blood Separation Technique
...This creates an airflow known as "ionic wind" that sweeps across the surface of the blood, causing it to circulate. The microscopic particles in the blood travel in a downward spiral because of the needle's angle relative to the surface. When the fluid begins to circulate, one might intuitively expect the ......ted urgently before a further wave of such changes sweeps the country, he writes. It cannot be timed or located to suit electoral convenience. We need clearer guidance on issues such as safe transit times for paediatric and obstetric emergencies, and we need more creative thinking on shared site working a...