Unlike land plants, photosynthesis in many aquatic plants relies on bicarbonate in addition to CO2 to compensate for the low availability of CO2 in water.
articles
Volcanoes Under Pressure
When will the next eruption take place? Examination of samples from Indonesia's Mount Merapi show that the explosivity of stratovolcanoes rises when mineral-rich gases seal the pores and microcracks in the uppermost layers of stone.
Size of Thunderstorm Dome Clouds May Predict Tornado Intensity
Team finds stronger tornadoes in clouds with larger peak areas.
Pesticides: Improved Effect Prediction of Low Toxicant Concentrations
Toxic substances such as pesticides can cause effects on sensitive individuals in concentrations up to ten thousand times lower than previously assumed.
Arctic Ocean Could Be Ice-Free for Part of the Year as Soon as 2044
UCLA study narrows the predicted timeframe for one worrying result of climate change.
The Forests of the Amazon are an Important Carbon Sink
The world’s tropical forests store huge quantities of carbon in their biomass and thus constitute an important carbon sink. However, current estimates of the amount of carbon dioxide stored in tropical forests of the Amazon vary largely.