HumansSomeone made advanced stone tools in India 172,000 years ago A cache of stone tools found in south India reveals that the hominins living there over 170,000 years ago already had advanced tool-making skills News
ÎçÒ¹¸£Àû1000¼¯ºÏNewborn babies already have a sense of how numbers work Do you think of smaller numbers being on the left of larger ones? Even two-day-old babies may think this way, suggesting we’re born with mental number lines News