From hard to soft: Making sponges from mussel shells

Scientists have discovered a spongy form of calcium carbonate (CaCO3), a material found in limestone, chalk, marble, and the shells of mussels and other shellfish. While most forms of calcium carbonate are hard minerals, ...

Massive iceberg threatens remote penguin sanctuary 

The world's biggest iceberg is on a collision course with a remote South Atlantic island that is home to thousands of penguins and seals, and could impede their ability to gather food, scientists told AFP Wednesday.

Why lockdown had little to no effect on global temperatures

Countries across the world took unprecedented action in the first few months of 2020 to control the spread of COVID-19. At its peak, one-third of the world's population was in lockdown. Around the world, car travel fell by ...

Restoring degraded tropical forests generates big carbon gains

More than half of the world's aboveground carbon is stored in tropical forests, the degradation of which poses a direct threat to global climate regulation. Deforestation removes aboveground carbon in the form of trees, reducing ...

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