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.
Tanzania has experienced two major coral bleaching events. Major coral bleaching events occur when sea surface temperatures are high thanks to El Nino.
It is particularly dangerous to be an elderly person in Tanzania's rural areas and villages. Legislation exists to protect this group, but it's not being translated into reality.
Tanzania's government has uncovered evidence of 2 000 "ghost" students who are fraudulently obtaining loans. This costs the country and other students dearly.
Children with albinism are teased and physically bullied by classmates who don't understand their condition. They withdraw from learning – and many ultimately leave school early.
In Tanzania, where albinism is common, there's plenty that ordinary teachers can do to support students with albinism – much of it quite simple.
When girls know that they have access to hygienic, safe sanitary products they are less likely to skip school while menstruating.
Child labour in Tanzania is driven largely by poverty. More must be done to keep children in school so their skills aren't lost to the economy in the long run.
Children living with albinism are very vulnerable to attack, kidnapping, mutilation and murder. In Tanzania, fear is keeping many children away from school and costing them an education.