Marks on fossil bones may push back the earliest estimates of tool use among human ancestors by 800,000 years than previously known.
A genome-wide association study using a self-report questionnaire suggests that there is no large influence of genes on personality.
A crocodile that was very mammal-like lived 105 million years ago.
Anomalous levels of carbon monoxide in the atmosphere of Neptune indicate that there was a comet impact 230 years ago.
Phytoplankton numbers have fallen across the world over the last century, particularly towards the poles and in the open oceans.
The site has undergone an overhaul. For anyone browsing the site, the big change is the new theme. There are also changes under the hood: a better and cleaner way of accessing the article nodes should decrease the load on the web server.