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Earliest mammals sniffed their way to success
A new analysis of some of the earliest mammals shows their complex brains evolved in stages, starting with the regions that handle the sense of smell.
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Now fingerprints reveal even more clues
Scientists have found ways to tease even more clues out of fingerprints’ telltale marks.
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Catalogue of all living species tops one million
A worldwide scientific effort to catalog every living species has topped the one-million milestone. Six years into the programme, the total has reached 1 009 000, researchers report. They hope to complete the listing by 2011, reaching an expected total of about 1,75-million species.
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SA cave yields oldest known jewellery
About 75Â 000 years ago someone living in a cave overlooking the Indian Ocean bored holes in a set of shells and strung them as beads — the earliest known human jewellery. Uncovered in Blombos cave on the Indian Ocean shoreline in South Africa, the newly discovered beads were made from the shells of a type of mollusc.
