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Global Warming May Increase Methane Emissions from Freshwater Ecosystems
Topic: Climate
Summary: New research suggests that rising global temperatures will increase the quantity of methane emitted from freshwater ecosystems to the Earth's atmosphere - which could in turn lead to further warming.

A Hypothesis for Continued Habitability on Earth
Topic: Geology
Summary: Throughout Earth's history, geological cycles may have acted to provide a balance of hot and cold that has helped maintain our planet's habitability.

Ancient Food Webs Show Modern Structure after Mass Extinction
Topic: Biosphere
Summary: A new study reveals that an ancient food web was organized much like modern food webs--despite the 48 million years of evolution that separate them.

Solar System's Edge Redefined
Topic: Outer Solar System
Summary: Astronomers have extended the edge of the known Solar System by spotting a new dwarf planet. The finding also indicates the possible presence of a giant planet somewhere in the dark, cold region of space far from the Sun.

Mercury’s Contraction Much Greater Than Thought
Topic: Mercury
Summary: New data show that the innermost planet has contracted far more than previously thought. The findings are key to understanding the planet's history and the structure of its unusually large metallic core.

Understanding How Mountains and Rivers Make Life Possible
Topic: Geology
Summary: A new study describes how features of a landscape affect our Earth's carbon cycle.

Solar Activity Influences Climate Change
Topic: Spaceship Earth
Summary: Changes in the sun's energy output may have led to marked natural climate change in Europe over the last 1000 years.

Designing 'Living' Materials
Topic: Origin & Evolution of Life
Summary: Engineers have figured out a way to have bacterial cells produce biofilms that incorportate non-living materials.

Vast Oceans Beneath the Earth
Topic: Geology
Summary: The first-ever sample of the mineral ringwoodite could indicate that vast volumes of water are trapped between Earth's upper and lower mantle.

Venus Glory
Topic: Venus
Summary: A rainbow-like feature known as a ‘glory' has been seen by ESA's Venus Express orbiter in the atmosphere of our nearest neighbour - the first time one has been fully imaged on another planet.

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