Amazon’s surprise decision to shut down its AmazonSmile donation program has left thousands of its nonprofit beneficiaries disappointed and concerned about finding ways to replace the funding.

Effective altruism is an intellectual and charitable movement that aspires to find the best ways to help others. People dedicated to it rely on evidence and rational arguments to identify what they can do to make the most progress toward solving the world’s most pressing problems, such as reducing malnutrition and malaria while increasing access to health care.

Honeybees, which pollinate one-third of the crops Americans eat, face many threats, including infectious diseases. On Jan. 4, 2023, a Georgia biotechnology company called Dalan Animal Health announced that it had received a conditional license from the U.S. Department of Agriculture for a vaccine designed to protect honeybees against American foulbrood, a highly destructive infection.