We can see up your nose. 👃 Turkey vultures have an incredible sense of smell, partly due to the structure of their nose. We can see right through the large nares (nostrils) of this bird. They use that well-developed sense of smell to seek out carrion. Photo: Anna Blades/USFWS

#DYK scorpions glow under UV light due to beta-carboline in their exoskeletons? This chemical absorbs UV light & re-emits it as a blue/green glow. Researchers believe this glow might help scorpions deter predators, locate each other or simply be a byproduct of their evolution.

Wolf's milk is an amoeba often confused for a fungus. These small fruit blobs may ooze a pink slime with a toothpaste texture if broken before mature. Have you seen any? 📷 Courtney Celley/USFWS

Just a quiet, peaceful moment in nature at Balcones Canyonlands National Wildlife Refuge. Video: a clear stream pours over a small waterfall while vegetation sways in gentle wind. Abra Zobel/USFWS

Allergies blow! 🤧 Goldenrod is often misidentified as ragweed, but goldenrod is animal-pollinated, so its pollen particles don't go airborne. Ragweed is wind-pollinated, sending pollen particles airborne in even a slight breeze. 📷 Courtney Celley/USFWS