HumansWhat the controversial ‘human’ teeth fossils really tell us Two 9.7-million-year-old fossil teeth found in Germany probably belong to a primitive primate and something like a deer, not an early human ancestor as has been reported 51¶¯Âþ
HealthDNA variants that are bad for health may also make you stupid A study of Scottish families hints that DNA mutations that damage health also impair intelligence. CRISPR gene-editing may be a way to boost brain and body 51¶¯Âþ