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Without water, forests lose their ability to absorb CO₂

To survive during periods of drought, trees halt photosynthesis, a highly water-intensive process during which, for every molecule of CO₂ absorbed by a tree leaf, an average of around 400 water molecules are released. Entire forests then may end up emitting more CO₂ than they capture.

The Conversation · Sep 28

Did Neanderthals use rhinoceros teeth as tools?

The RINO project was born from the discovery of unusual marks on rhinoceros teeth recovered from the prehistoric Payre site in France’s Rhône Valley. The study of fossil rhinoceros teeth from this Middle Palaeolithic site, dating to around 250,000–130,000 years ago, provides unprecedented evidence that Neanderthals used them as tools.

The Conversation · Jun 18

Is extracting oxygen from lunar soil the future of space exploration?

A new race to the Moon is emerging between the United States and China. Unlike fifty years ago, the goal is no longer just about landing and leaving, but establishing a base that allows for a sustainable presence and extended stays on the surface of our natural satellite. The objective…

The Conversation · May 26