How do we smell? The answer lies in the 1,000 or so genes that encode what's known as olfactory receptors inside our noses. This gene superfamily constitutes 3 to 6 percent of a mammal's genes. But ...
"Local motion detectors in fruit flies sense complex patterns generated by their own motion." ScienceDaily. www.sciencedaily.com / releases / 2022 / 04 / 220405102857.htm (accessed July 15, 2026).