Why Einstein must be wrong: In search of the theory of gravity

Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...

Optimizing cacao pollination for higher yields

A research team including Ingolf Steffan-Dewenter's Department of Animal Ecology and Tropical Biology has investigated how the cultivation of cacao can be improved by using the right pollination technique. The success of ...

Large variation seen in how many relatives Swedes have

Relatives often play an important role in people's lives. Family members such as cousins, grandparents and grandchildren form part of an individual's social network and can provide significant support, ranging from child-rearing ...

How dangerous is extreme heat to humans?

The media reporting around heat waves that have hammered the northern hemisphere has been unequivocal: the simultaneous record-breaking heat has "pushed the limits of human survival."

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