Twitter bans crytocurrency ads on fraud fears

Twitter on Monday announced a ban on ads for initial offerings of cryptocurrency or sales of virtual currency tokens, sending the value of bitcoin diving below $8,000.

NASA renews focus on Earth's frozen regions

In 2018, NASA will intensify its focus on one of the most critical but remote parts of our changing planet with the launch of two new satellite missions and an array of airborne campaigns.

Study links climate policy, carbon emissions from permafrost

Controlling greenhouse gas emissions in the coming decades could substantially reduce the consequences of carbon releases from thawing permafrost during the next 300 years, according to a new paper published this week in ...

Treating koalas for chlamydia alters gut microbes

Koalas are one of Australia's iconic animals, but they have been hard hit by an epidemic of Chlamydia infections contributing to a steep decline in numbers. Sick koalas brought to wildlife hospitals may be treated with antibiotics ...

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