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 ...

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 ...

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 ...

Although landlocked, Los Llanos, Guatemala has become like an island. Located just 19 miles south of the country’s capital, the village has become virtually inaccessible thanks to deteriorating roads ...

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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Westend61 / Getty Images The annualized income installment method calculates estimated tax ...

Chris Christensen described case method teaching as “the art of managing uncertainty”—a process in which the instructor serves as "planner, host, moderator, devil's advocate, fellow-student, and judge ...

When you add, subtract, multiply or divide mass in grams and kilograms, sometimes you need to convert the measurements so that they are in the same unit. To convert from kilograms to grams you ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Thomas J. Brock is a CFA and CPA with more than 20 ...