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Try your hand at a sciency brainteaser.

Try your hand at a sciency brainteaser.

Try your hand at a sciency brainteaser.

Try your hand at a sciency brainteaser.

This image took 5th place at the 2022 Nikon Small World Photomicrography Competition.

This image took 4th place at the 2022 Nikon Small World Photomicrography Competition.

Try your hand at a sciency brainteaser.

This image took 3rd place at the 2022 Nikon Small World Photomicrography Competition.

This image took 2nd place at the 2022 Nikon Small World Photomicrography Competition.

This image took the top prize at the 2022 Nikon Small World Photomicrography Competition.

An honorable mention in the 2022 Nikon Small World in Motion competition shows thale cress sperm being released into the ovule.

This year’s fourth-place winner of the 2022 Nikon Small World in Motion competition shows dying melanoma cells.

This year’s third-place winner of the 2022 Nikon Small World in Motion competition features sea anemone cells.

This year’s second-place winner of the 2022 Nikon Small World in Motion competition shows a 12-hour time-lapse of labeled cells.

Try your hand at a sciency brainteaser.

The top winner of the 2022 Nikon Small World in Motion contest shows cells migrating through a zebrafish embryo.

Australians are resorting to increasingly drastic measures to keep cockatoos out of their garbage bins.

A genomic analysis reveals that humans domesticated donkeys more than 7,000 years ago.