In Homer’s epic, Odysseus’s men eat something so powerful that they forget about home. Which plants could have produced such a soporific, narcotic and amnesiac effect?

With machine learning and a high-resolution imaging robot, scientists measured and mapped the extent of Earth’s carbon circulatory system.

Light pollution prompts plants to shed pollen longer and stronger, according to new research.

© Amir Hamja for The New York Times

Light pollution prompts plants to shed pollen longer and stronger, according to new research.