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Tricks of Ice-Seeding Bacteria
Topic: Extreme Life
10/24/13
Summary: Scientists have observed the step-by-step process of how a certain species of bacteria harnesses frozen water as a weapon.

Climate Change and the Deep Biosphere
Topic: Biosphere
10/23/13
Summary: Scientists have discovered traces of past microbial life in deep sea sediments. The findings show how the microbial ecosystem beneath the seafloor has responded to climate change over hundreds of thousands of years.

Asteroid 2013 TV135 Reality Check
Topic: Meteorites, Comets and Asteroids
10/23/13
Summary: NASA has reported that there is less than a one percent chance that the recently-discovered asteroid, 2013 TV135, will hit the Earth.

The Origin of Skeletons
Topic: Origin & Evolution of Life
10/22/13
Summary: Did our skeletons evolve for protection or for violence? A new study is changing our understanding of how bony tissue in humans evolved.

Oxygen Not the Cause of the Cambrian Explosion
Topic: Origin & Evolution of Life
10/22/13
Summary: Advanced life on Earth is thought to be linked to the rise of oxygen in our planet's atmosphere. But 2.1 billion years ago, oxygen levels rose dramatically and advanced life did not evolve. Now astrobiologists are wondering why.

A Catalogue of Other-Worldly Places on Earth
Topic: Extreme Life
10/21/13
Summary: The European Space Agency has released a new 'Catalogue of Planetary Analogues.' The publication features sites on all seven continents used to gain insight into the exploration of other worlds in our solar system.

Kepler Finds Planets in a Tilted Orbit
Topic: New Planets
10/21/13
Summary: Astronomers have discovered a distant planetary system where multiple planets orbit their host star at a severe tilt. It is the first time that such tilted orbits have been found in a multiplanetary system of this type.

Asteroid Pile-Up in the Orbit of Mars
Topic: Meteorites, Comets and Asteroids
10/20/13
Summary: A new study shows that the orbit or Mars hosts the remains of an ancient collision that created many of its Trojan asteroids.

Was This Mars Ridge Habitable?
Topic: Mars
10/20/13
Summary: It will take Curiosity until at least mid-2014 to reach Mount Sharp, but scientists are already discussing which areas to examine when the rover arrives. One site is a low ridge on the bottom of the mountain that appears to have formed in water.

Without Plants, Earth Would Cook Under Billions of Tons of Additional Carbon
Topic: Climate
10/19/13
Summary: A new report is shedding light on how plants have prevented climate change on Earth since pre-industrial times. By absorbing billions of tons of carbon, ecosystems on land have been helping to cool down the planet.

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