Hypotheses were floated in light of its unexpected behavior, including fleeting speculation that it might actually have been an alien spacecraft. A new study has offered a more sober explanation - that 'Oumuamua's speed-up was due to the release of hydrogen gas as the comet warmed up in the sunlight.

Scientists have transgenically altered soybean plants to increase the efficiency of photosynthesis, resulting in greater yields without loss of quality.

Preliminary data show this treatment helped six sickle cell patients make fetal hemoglobin. Esrick and her colleagues described this in January 2021 in the New England Journal of Medicine.