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Science + Tech – Articles, Analysis, Comment

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4.5 million-year-old cranium of the fossil elephant Loxodonta adaurora, from Ileret, Kenya, in right lateral and front views. Figure courtesy of Carol Abraczinskas, University of Michigan Museum of Paleontology

A fossil cranium from Kenya tells the story of an extinct elephant species

The anatomy of the teeth in the cranium and its bones show that it belongs to an extinct cousin of the living African savanna and forest elephants.
An illustration shows how, about 65 million years ago, a large asteroid collided with Earth. It hit what is today Mexico and created the Chicxulub crater. Mark Garlick/Science Photo Library/Getty Images

Curious Kids: Why are there so few impact craters on Earth?

Impact craters are relatively shallow, so these bowl-shaped “dents” in Earth’s rocky crust can be easily buried or erased by erosion.
Employees at the Afrigen biotechnology company and Vaccine Hub facility at work in the manufacturing laboratory. Rodger Bosch/AFP via Getty Images

Africa’s first mRNA vaccine technology transfer hub gets to work

Afrigen will be a technology transfer and training hub: it shares technology and develops skills specifically around how to produce a safe, effective and affordable mRNA vaccine.
Hausa is the most widely known Chadic language, spoken by some 80 million people or more. It’s harder to grasp the history of other, unwritten Chadic languages. Irene Becker/Contributor/Getty Images

How I reconstructed an unwritten ancient African language

Reconstructed vocabulary sheds light on cultural items and people’s habitats, including the spread of ideas and the importance of certain concepts.
Herbal remedies are commonplace in Uganda; testing these scientifically is a good way to ensure they’re safe and effective. Ava Peattie/Shutterstock

Herbal skin treatments in Uganda get an important scientific boost

It is important that herbal medicine be checked for its safety, its potential to treat particular ailments, and to ascertain its chemical components.