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The total seismic energy released on Mars lies between the one of Earth and of the Moon. (Deposit Photos )
Planetary Science

The Seismicity of Mars

Fifteen months after the successful landing of the Nasa Insight mission on Mars, first scientific analyses of ETH Zurich researchers and their partners reveal that the planet is seismically active. The recorded data enables to better constrain the interior of Mars, the primary goal of the Insight mission.

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Melting summer sea ice makes it harder for polar bears for hunt seals and other prey. Some researchers think if the world doesn't do more to cut its carbon emissions, all summer Arctic sea ice will be gone by 2040.  (NTB Scanpix)
CO2 Emissions

Polar Bears May Soon become Extinct Due to Plane Travel

Carbon dioxide emissions are harmful for the environment as well as for animals such as polar bears whose habitats i.e. sea ice is being melted away by the release of this dangerous gas. A dedicated group of polar bear researchers have calculated and revealed how much summer sea ice is melted per metric tonne of CO2 emissions discharged into the atmosphere.

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