Twin of NASA's Perseverance Mars rover begins terrain tests

On a recent day in November, the car-size rover rolled slowly forward, then stopped, perched on the threshold of a Martian landscape. But this rover, named OPTIMISM, wasn't on the Red Planet. And the landscape was a boulder-strewn ...

Cancer cells 'remove blindfold' to spread

Cancer cells spread by switching on and off abilities to sense their surroundings, move, hide and grow new tumors, a new study has found.

For Singapore penguins, shuttered zoo is flippin' fun

One cute group is making the most of Singapore's partial virus lockdown—penguins at the city-state's zoo, who are being given the run of the empty complex and revelling in the chance to do some exploring.

Natives and foreigners: Good, bad, and ugly

After the Second World War of 1939-1945, Western democracies had attempted to reconcile their criminal law in democratic, "republican" terms aimed at the citizen. However, in the last two decades, new criminal law has been ...

First ever working sweet-pepper harvesting robot

The European research project Clever Robots for Crops (CROPS) for the development of robotics in horticulture and forestry was recently accomplished. The project has been co-ordinated by Wageningen UR Greenhouse Horticulture ...

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