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Whether it was Rubik's Cubes, Sudoku or riddles, Nicole Beisel loved puzzles as a kid. Not much has changed. But these days the University of Florida doctoral student works with a lot more pieces and the stakes are higher. Much higher. Think Mars.

Cheetahs in the Serengeti National Park adopt different Two male cheetahs eat a killstrategies while eating to deal with threats from to​​​​​​​p predators such as lions or hyenas. A new study in Springer’s journal Behavioral Ecology and Sociobiology shows that male cheetahs and single females eat their prey as quickly as possible. Mothers with cubs, on the other hand, watch out for possible threats while their young are eating in order to give them enough time to eat their fill. The research was led by Anne Hilborn of Virginia Tech’s College of Natural Resources and Environment in the US.

The new technology has the potential to replace the traditional “best before” date on food and drinks alike with a definitive indication that it’s time to chuck that roast or pour out that milk.

Teams of scientists from the Ruhr-Universität Bochum (RUB) and the University of Warwick were able to observe the smallest details of hydrogen production with the synthetic mineral pentlandite. This makes it possible to develop strategies for the design of robust and cost-effective catalysts for hydrogen production. The working groups of Prof Dr Wolfgang Schuhmann and Dr Ulf-Peter Apfel from the RUB and the team headed by Prof Dr Patrick R. Unwin from the University of Warwick report in the journal Angewandte Chemie of 9 March 2018.

Former Tropical Cyclone Iris continues to linger in the Southwestern Pacific Ocean off the coast of Queensland, Australia. NASA-NOAA's Suomi NPP satellite passed over the remnants of Iris on April 10.