articles

Leaf-feeding caterpillars greatly enrich their intestinal flora by eating soil. 

There is a wide variety of animals living on the Arctic seabed. Attached to rocks, they feed by removing nutrients from the water using filters or tentacles. 

For the first time ever, researchers have been able to peek deep into the mantle of the Earth under an ultraslow mid-ocean ridge, where they have been able to observe mantle melting and growth of the Earth’s crust.

Portland experiences both extreme heat in the summer months and frequent nuisance flooding in the winter and spring, and that's only expected to worsen with climate change. 

The self-reported struggle of many countries to design effective plans to achieve the UN’s Sustainable Development Goals (SDGs) has inspired a new UN University online tool to guide such nations along a 6-step path towards the critical SDG 6: clean water and sanitation for all.