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No signs (yet) of life on Venus

According to a new study, the unusual behavior of sulfur in Venus' atmosphere cannot be explained by an "aerial" form of extraterrestrial life. The University of Cambridge used a combination of biochemistry and atmospheric chemistry to test the "life in the clouds" hypothesis, which...

How hybrid plant varieties could address the challenges of food security and climate change

Hybrid agricultural and horticultural crops can play an important role in supporting global food security. They produce higher yields and are often more resistant than non-hybrid varieties to diseases and climate stress. Maize is a globally very important crop and the use of hybrid...

Marine microbes swim towards their favourite food

Every teaspoon of seawater contains more than a million marine bacteria, though it is invisible to us. These tiny microbes play pivotal roles in governing the chemical cycles that control our climate and shape the health of the global ocean. But are they passive...