Scientific models are failing to accurately predict the impact of global warming on plants, says a new report. Researchers found in long-term studies that some are flowering up to eight times faster than models anticipate. The authors say that poor study design and a lack of investment in experiments partly account for the difference. They [...]

Scientists say the notoriously dry continent of Africa is sitting on a vast reservoir of groundwater. They argue that the total volume of water in aquifers underground is 100 times the amount found on the surface. The team have produced the most detailed map yet of the scale and potential of this hidden resource. Writing [...]