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Agriculture & Environment

Earth Sciences
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Uneven Nutritional Payoffs for Marine Predators Revealed

New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…

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Earth Sciences

Geophysicists claim conventional understanding of Earth's deep water cycle needs revision

A popular view among geophysicists is that large amounts of water are carried from the oceans to the deep mantle in “subduction zones,” which are boundaries…

Earth Sciences

New Insights Into Falbygden’s Stone Age Landscape

A new archaeology thesis from the University of Gothenburg now shows that these “passage graves” were not designed to be visible across wide areas – instead…

Earth Sciences

New Discoveries in Pre-Columbian Amazon Settlements

Together with Brazilian colleagues, archaeologists from the University of Gothenburg have found the remains of approximately 90 settlements in an area South of…

Earth Sciences

How Climate Change Is Shifting Pacific’s Natural Cycles

El Nino is a periodic warming in the eastern tropical Pacific that occurs along the coast of South America. Recently, scientists have noticed that El Nino…

Environmental Conservation

How Rivers Sustain Ecosystems and Human Life

Rivers and streams supply the lifeblood to ecosystems across the globe, providing water for drinking and irrigation for humans as well as a wide array of life…

Earth Sciences

Carbon dioxide controls Earth's temperature

The study, conducted by Andrew Lacis and colleagues at NASA's Goddard Institute for Space Studies (GISS) in New York, examined the nature of Earth's greenhouse…

Earth Sciences

Research Team Studies Antarctica’s Climate Past

A five-member team from North Dakota State University’s Department of Geosciences heads to Antarctica this October to conduct research on Antarctica’s climate…

Environmental Conservation

Harmful Algal Blooms Detected in Monterey Bay Experiment

A significant bloom of the toxic algae Pseudo-nitzschia australis with its associated toxin, domoic acid, was detected and tracked by the array of instruments…

Environmental Conservation

The CANON experiments – Tracking algal blooms by “going with the flow”

The vessels spent most of their time circling around a floating robotic DNA lab, which drifted southward in the California Current. This research, part of…

Agricultural & Forestry Science

Innovative Fish Feeds Reduce Fishmeal and Fish Oil Usage

Commercial fish farms have traditionally fed feeds that include high levels of fishmeal and fish oil, according to fish physiologist Rick Barrows with USDA's…

Agricultural & Forestry Science

Taming Wild Grapes: Boosting Wine Quality and Profits

One acre of wine grapes can bring as much as $8,000 in sales, though more commonly it's $3,000 to $5,000. The largest wineries in Illinois produce 90,000…

Earth Sciences

New discoveries in North America's Great Plains bring ammonites to life

Although ammonites have been extinct for 65 million years, newly published data based on 35 years of field work and analysis is providing invaluable insights…

Environmental Conservation

Listen Up: Ocean Acidification Poses Little Threat to Whales’ Hearing

Tim Duda, of WHOI’s Applied Ocean Physics & Engineering Department, undertook a study in response to warnings that as the ocean becomes more acidic—due to…

Environmental Conservation

Whale Poop Pumps Up Ocean Health

And this liquid fecal matter, rich in nutrients, has a huge positive influence on the productivity of ocean fisheries, Roman and his colleague, James McCarthy…

Earth Sciences

Polarstern Completes 25th Arctic Expedition Successfully

The research vessel Polarstern returned to Bremerhaven from a four-month expedition on Saturday, 9 October. On its 25th mission in the Arctic the ship covered…

Earth Sciences

Coral Records Reveal Ocean Thermocline Rise Due to Warming

The finding is the first real evidence supporting what climate modelers have been predicting as the effects of global climate change on the subsurface ocean…

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