See the winners of the 2020 Nikon Small World photography contest

While seeking answers to scientific questions, it’s worth sometimes taking a step back to appreciate the world’s exquisiteness. For developmental biologists Daniel Castranova, Bakary Samasa and Brant Weinstein, some of that delicate beauty is inside a zebrafish. While working in Weinstein’s lab at the National Institutes of Health in Bethesda, Md., Castranova and Samasa snapped […]