Sabertooth tigers: Roars or purrs? The answer lies in bones
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From North Carolina State University 22/08/23 When a sabertooth tiger called out, what noise did it make – a mighty roar or a throaty purr? A new study from North Carolina State University examined the data behind the arguments for each vocalization and found that the answer was more nuanced than they thought – and […]
New find: Glitter makeup toxic to aquatic organisms
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From Estado de São Paulo 23/08/23 A study conducted by researchers affiliated with the University of São Paulo (USP) in Brazil concluded that particles of glitter can hinder the growth of organisms at the base of aquatic ecosystems, such as cyanobacteria (blue-green algae), which play a key role in the biogeochemical cycles of water and […]
‘Oil-eating’ microbes reshape droplets to accelerate oil spill cleanup
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From American Association for the Advancement of Science/AAAS 21/08/23 “Oil-eating” Alcanivorax borkumensis bacteria form “dendritic” biofilms that reshape oil droplets to speed up the rate of consumption, researchers report. The findings reveal how this particular bacterium optimizes oil biodegradation and consumption. Obligately hydrocarbonoclastic bacteria (OHCB) survive by consuming hydrocarbons as a sole carbon and energy […]
Deep sea internet cable used to track sea ice extent in the Arctic
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From Seismological Society of America 18/08/23 A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, researchers report in The Seismic Record. Andres Felipe Peña Castro of the University of New Mexico and […]
‘Planting’ rocks in farms could help remove carbon from atmosphere
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From American Geophysical Union 17/08/23 Farmers around the world could help the planet reach a key carbon removal goal set by the Intergovernmental Panel on Climate Change (IPCC) by mixing crushed volcanic rocks into their fields, a new study reports. The study also highlights wet, warm tropics as the most promising locations for this climate […]