HumansHoliday brain-off round 2: Test your reaction time Who in your family has the sharpest reflexes? To find out, all you need is a ruler and this table of numbers Features
ÎçÒ¹¸£Àû1000¼¯ºÏSuperagers with amazing memories have shrink-resistant brains A small number of people over the age of 80 retain a good memory, which seems to be linked to their brains shrinking much less as they age News