Abstract: Robust multiobjective optimization problems (RMOPs) widely exist in real-world applications, which introduce a variety of uncertainty in optimization models. While some evolutionary ...

A development problem rarely arrives wearing a label. A tablet sticks. A dissolution curve drifts down in the third month of stability. Exposure looks fine in rats but collapses in dogs. A batch that ...

Think about placing dots on a flat surface. You want as many pairs as possible to be separated by the same distance. For any amount of dots, what is the greatest possible number of pairs that can be ...

For new discoveries, everyday mysteries, and the science behind the headlines, follow NPR's ShortWave podcast . Over a century ago, the German psychologist Wolfgang Köhler conducted what became a ...

Insects join list of species capable of solving simple ‘box-and-banana’ problem that demonstrates basic intelligence Bumblebees can use tools to solve a problem, according to experiments that ...

A century ago, a psychologist named Wolfgang Köhler proved that chimpanzees could solve complex problems. He hung a banana high out of reach. The chimps sat, thought, and suddenly stacked wooden boxes ...

Add Yahoo as a preferred source to see more of our stories on Google. Contrary to their name, bumblebees are no bumbling oafs. A new study published in Science on Thursday found that these bees ...

Bumblebees faced with a challenge know how to play ball. Buff-tailed bumblebees can figure out on their own how to use a ball as a ladder to nab sugar from an out-of-reach fake flower, researchers ...

Despite having tiny brains, bumblebees have demonstrated a remarkable ability to socially learn how to use tools, solve simple puzzles, and cooperate to achieve a goal. It seems they can also solve ...

Keep the news in the Wayback Machine. Sign Fight for the Future's letter. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive ...

Researchers at IIT Madras and IISc Bengaluru have synthesised a stable carbon-free molecule that mirrors ferrocene. The finding settles a seven-decade debate and opens fresh routes in molecular design ...

German psychologist Wolfgang Köhler set up a famous experiment more than 100 years ago that changed how scientists understand animal intelligence and the power of insight — or spontaneous ...