Discovering the universe from our own backyards
When I was a college student, I worked at the Charlevoix Astronomical Observatory in Québec.
Astrobiology
Sep 19, 2023
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News tagged with lake
Long-lived lakes as a driving force behind the evolution of freshwater snails
In long-lived lakes that existed for millions of years freshwater snails developed a particularly high diversity of species. A new study by SNSB paleobiologist Thomas A. Neubauer now shows the importance of these ecosystems ...
Evolution
Sep 14, 2023
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88
Pollen in pee: Fossilized urine from a small African mammal helps with understanding past environments
If you are allergic to pollen, you are likely to curse the existence of these microscopic particles. You're not alone: up to 30% of the world's population suffers from hay fever, which is often driven by pollen allergies. ...
Ecology
Sep 14, 2023
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Panama seeks new sources of water for canal
Panama is looking into new sources of water for the Panama Canal, which moves six percent of global maritime trade but recently had to restrict traffic due to drought, its operator said.
Environment
Sep 13, 2023
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Some spiders can transfer mercury contamination to land animals, study shows
Sitting calmly in their webs, many spiders wait for prey to come to them. Arachnids along lakes and rivers eat aquatic insects, such as dragonflies. But, when these insects live in mercury-contaminated waterways, they can ...
Plants & Animals
Sep 13, 2023
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134
Freshwater connectivity can transport environmental DNA through the landscape
A new paper published in the journal Proceedings of the Royal Society B used environmental DNA (eDNA) metabarcoding to analyze fish and zooplankton communities.
Ecology
Sep 12, 2023
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Environmental DNA breakthrough detects genetic diversity of invasive fish
Ecologists have demonstrated that the genetic material that species shed into their environments can reveal not only the presence of the species but also a broad range of information about the genetics of whole populations.
Ecology
Sep 11, 2023
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103
New quantitative tracer helps to investigate bioaccumulation of nanoplastics in freshwater ecosystems
Nanoplastics (NPs) can cause a variety of adverse effects in humans, including physical damage, oxidative stress, impaired cell signaling, and developmental defects. The monitoring of NPs in the environment still remains ...
Polymers
Sep 8, 2023
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Q&A: Professor explains what municipal governments are doing as climate change accelerates
July 2023 was the hottest month globally since humans began keeping records. People all over the U.S. experienced punishingly high temperatures this summer. In Phoenix, there were a record-setting 31 consecutive days with ...
Environment
Sep 5, 2023
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World losing high-stakes fight against invasive species
Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.
Ecology
Sep 4, 2023
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