Ancient microbes likely produced natural products their descendants today do not. Tapping into this lost chemical diversity could offer a potential source of new drugs.
A photogrammetry image of the tracks. The horizontal and vertical scales are in metres.
CHARLES HELM
Several theories have suggested either humans, climate change or both drove megafauna extinctions in Southeast Asia. Our newest work suggests otherwise.
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
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.
Wind whips embers from a tree burned by a wildfire in Riverside, Calif. Oct. 31, 2019.
AP Photo/Ringo H.W. Chiu
These trackways preserve an incredibly brief moment in time. More importantly, they tell us about ancient climates, and how turtle breeding ranges have changed over the millenia
Roberts Rock, before it slid into the sea, provided evidence of ancient vertebrate life.
Charles Helm