Working with bone artefacts from archaeological sites in South Africa's southern Cape region, we've been able to show that some implements might have been used for sound production in the past.
While the science is crucial, it is also important to know what sense the people who live in and around Laetoli make of these ancient footprints.
Reports say that a new species of ancient human has been identified in a cave in The Philippines. But only a few bone and teeth fossil fragments have been found, so far.
The first mummy was wrapped up about 7,000 years ago, and it was from South America.
The teeth from two Neanderthal children and a relatively modern human child reveal their exposure to seasonal changes during their early life.
Ancient DNA in a 50,000+ year old bone tells us that two species of early humans did produce offspring together.
How we found the oldest human fossil ever discovered outside Africa and the Levant.