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Students wearing facemasks wash their hands before attending a class at a government-run school in Secunderabad, March 4, 2020. NOAH SEELAM / AFP

India and coronavirus: lack of access to handwashing facilities among poor makes fight even harder

In India handwashing practices have come under scrutiny as millions of Indian poorest return home from major cities. Many do not have access to basic amenities.
Reptile, avian and mammal tracks and Middle Stone Age artefacts on a large track bearing surface which has since been buried by a landslide. Images modified from Helm, et al. 2020. South African Journal of Science, 116

Fossil track sites tell the story of ancient crocodiles in southern Africa

While crocodylian fossil swim traces have been described from other continents, to the best of our knowledge the examples we describe are the first such reptilian swim traces from Africa.
MarcoVector/Shutterstock

How to model a pandemic

Behind every government announcement, there is an army of epidemiologists predicting how the virus will spread, and how to beat it.

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