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New gene catalog of ocean microbiome reveals surprises

Thu, 17 Aug 2017 16:20:14 EDT ~ Oceanographers report completing the largest single-site microbiome gene catalog constructed to date. With this new information, the team discovered nutrient limitation is a central driver in the evolution of ocean microbe genomes. Find out more...

Changing tides: Lake Michigan could best support lake trout and steelhead

Wed, 16 Aug 2017 16:06:31 EDT ~ Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem, making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent US Geological Survey and Michigan State University study. Find out more...

Larvaceans provide a pathway for transporting microplastics into deep-sea food webs

Wed, 16 Aug 2017 14:51:49 EDT ~ A new article shows that filter-feeding animals called giant larvaceans can collect and consume microplastic particles, potentially carrying microplastics to the deep seafloor. Find out more...

Mystery of how first animals appeared on Earth solved

Wed, 16 Aug 2017 13:47:27 EDT ~ Research has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist. Find out more...

Modern genetic sequencing tools give clearer picture of how corals are related

Wed, 16 Aug 2017 13:46:38 EDT ~ As corals face threats from ocean warming, a new study uses the latest genetic-sequencing tools to help unravel the relationships between three similar-looking corals. Find out more...

Climate change projected to significantly increase harmful algal blooms in US freshwaters

Tue, 15 Aug 2017 12:04:44 EDT ~ Harmful algal blooms known to pose risks to human and environmental health in large freshwater reservoirs and lakes are projected to increase because of climate change. Find out more...

Mercury is altering gene expression

Tue, 15 Aug 2017 09:50:30 EDT ~ Mercury causes severe neurological disorders in people who have consumed highly contaminated fish. Whereas we know about the element's extreme toxicity, what happens further down the food chain, all the way down to those microalgae that are the first level and the gateway for mercury? By employing molecular biology tools, a team of researchers measured the way mercury affects the gene expression of algae, even when its concentration in water is very low. Find out more...

Tiny fraction of oceans could meet world's fish demand

Mon, 14 Aug 2017 12:53:40 EDT ~ Covering 70 percent of Earth's surface, the world's oceans are vast and deep. So vast, in fact, that nearly every coastal country has the potential to meet its own domestic seafood needs through aquaculture. In fact, each country could do so using a tiny fraction of its ocean territory. Find out more...

Meadow of dancing brittle stars shows evolution at work

Mon, 14 Aug 2017 09:34:17 EDT ~ Newly-described fossil shows how brittle stars evolved in response to pressure from predators, and how an 'evolutionary hangover' managed to escape them. Find out more...

San Salvador pupfish acquired genetic variation from island fish to eat new foods

Thu, 10 Aug 2017 14:17:10 EDT ~ Pupfish living in salty lakes on San Salvador Island were able to diversify into multiple species with different eating habits, in part, by interbreeding with pupfish from other islands in the Caribbean. Find out more...