Animals
- 			 Animals AnimalsA built-in pocket protector keeps sawfish from ‘sword fighting’ in the wombWhat’s to prevent pups, with a snout that resembles a hedge trimmer, from slicing and dicing each other in mom’s uterus? Scientists have the answer. 
- 			 Health & Medicine Health & MedicineHuman body lice could harbor the plague and spread it through bitingRats and fleas previously got all the blame, but humans’ own parasites could be involved. 
- 			 Animals AnimalsSumatran orangutans start crafting their engineering skills as infantsBy 6 months old, young orangutans are experimenting with construction materials, and by 6 years old, they are building platforms 20 meters in the air. 
- 			 Health & Medicine Health & MedicineGenetic analyses of the bird flu virus unveil its evolution and potentialThe H5N1 outbreak in cattle is giving flashbacks to the COVID pandemic. But this time is different. 
- 			 Paleontology PaleontologyHow did an ancient shark parasite end up fossilized in tree resin?A worm preserved in 99-million-year-old amber resembles modern flatworms in shark intestines. The rare finding has scientists stumped. 
- 			 Animals AnimalsTiger beetles may weaponize ultrasound against batsIn response to recordings of echolocating bats, tiger beetles emit noises that mimic toxic moths that bats avoid. By Jake Buehler
- 			 Health & Medicine Health & MedicineCows might host both human and bird flusBoth kinds of influenza viruses may break into cattle cells using receptors similar to those in people, wild birds and poultry. 
- 			 Animals AnimalsGetting wild mosquitoes back to the lab alive takes a custom backpackThe new low-tech transportation method could help scientists in Africa assess if malaria-carrying mosquitoes are resistant to a common insecticide. 
- 			 Animals AnimalsThis snake goes to extremes to play dead — and it appears to pay offWhen dice snakes fake their death to avoid predators, those that use a combination of blood, poop and musk spend less time pretending to be dead. 
- 			 Neuroscience NeuroscienceLampreys have ‘fight or flight’ cells, challenging ideas about nervous system evolutionThe discovery of sympathetic nervous system cells in lampreys draws a closer tie between the animal and complex vertebrates — such as humans. 
- 			 Animals AnimalsWant to see butterflies in your backyard? Try doing less yardworkGrowing out patches of grass can lure adult butterflies and moths with nectar and offer lawn mower–free havens for toddler caterpillars. By Susan Milius
- 			 Animals AnimalsThis orangutan used a medicinal plant on his face woundRakus the orangutan appeared to be treating a cut to his face with a plant that’s also used in traditional human medicine.