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“#Marine drifters: Interdisciplinary study explores plankton diversity” Credit: CC0 Public Domain Ocean plankton are the drifters of the marine world. They include algae, animals, bacteria, and protists that are at the mercy of the tide and currents. Many are microscopic, though others, like jellyfish, can grow to relatively large sizes. For decades, researchers have been…
“#Two new species of parasite discovered in crabs: Discovery will help prevent infection of other marine species” (A). Phase-contrast micrograph showing mononucleated haplosporidians in the haemolymph of an infected crab. Note unusual chromatin arrangement (unlabelled arrows). (B). Uninucleate haplosporidians in the terminal vessel of a gill lamella. Note prominent chromatin blocks in these cells (unlabelled…
“#Tracking quokkas through fires” PhD candidate Leticia Povh tracks mainland quokkas using VHF collars and GPS collars. Credit: Adam Brice. Dubbed the world’s “happiest animal,” there’s still a lot we don’t know about quokkas that is needed to secure the survival of the species. This is especially true for how we manage quokka habitat for…
“#Ancient oyster shells provide historical insights” Credit: CC0 Public Domain An interdisciplinary team of scientists studying thousands of oyster shells along the Georgia coast, some as old as 4,500 years, has published new insights into how Native Americans sustained oyster harvests for thousands of years, observations that may lead to better management practices of oyster…
“#Converting female mosquitoes to non-biting males with implications for mosquito control” Michelle Anderson (left) and Azadeh Aryan (right) are seen performing experiments in the insectary in 2016. Credit: Photo courtesy of Avery Stolte Virginia Tech researchers have proven that a single gene can convert female Aedes aegypti mosquitoes into fertile male mosquitoes and identified a…
“#What determines a warbler’s colors?” While blue-winged warblers have predominantly yellow underparts, golden-winged warblers have white bellies and a black throat patch and face mask. Hybrid offspring of blue-winged and golden-winged warblers have a mix of coloration from the two parent species. Credit: David Toews, Penn State A new study has narrowed down the region…
“#Study finds West Australians need better education to prevent snake bites” Credit: Pixabay/CC0 Public Domain New Curtin University-led research has found that people living in rural and urban areas across Western Australia need to be educated about how to identify the different types of venomous and non-venomous reptiles in WA, with only 58 percent of…
“#Uniform vs. particolored plumage leads to reproductive isolation among crows, study finds” Credit: CC0 Public Domain Although carrion crows and hooded crows are almost indistinguishable genetically, they avoid mating with each other. LMU researchers have now identified a mutation that appears to contribute to this instance of reproductive isolation. The carrion crow and the hooded…
“#Echolocation is costly for small bats when they’re calling loudly” Nathusius’s pipistrelle bat. Credit: René Janssen Calling in the ultrasonic range enables small bats to orient themselves in the dark and track down tiny insects. Louder calls travel farther, improving a bat’s ability to detect their prey. It was long assumed that echolocation does not…
“#Death by irony: The mystery of the mouse that died of smoke inhalation, but went nowhere near a fire” Credit: Museums Victoria/David Paul I looked through the microscope at the insides of a dead smoky mouse, and could barely believe my eyes. Thousands of tiny smoke particles lined its lungs. But the mouse had been…