But why is that? This is called counter-shading and is an anti-predator adaptation. Most fish show this, having a dark-coloured dorsal surface, or back, and a paler ventral surface or underside.

By analyzing the structure of the Earth's mantle ... which lies between 255 and 410 miles (410 and 660 km) below the Earth's surface. This zone, which separates the upper mantle from the lower mantle, ...

Subtle temperature differences at the ocean surface allow more carbon dioxide ... highlights the intricacy of the ocean's water column structure and how it can influence CO 2 draw-down from ...

Dr. Siobhan Deshauer has shared what symptoms to look out for (@ViolinMD/YouTube) "A normal healthy tongue is pink with little bumps called papillae on the surface but if your tongue looks like this ...

Strawberry tongue refers to a swollen, red, and bumpy tongue that looks similar to the surface of a strawberry. It is not a health condition on its own but a symptom of several diseases ...

HSBC is simplifying its organizational structure into four businesses to streamline its businesses and reduce costs months after its new chief executive took over reins. Europe's largest bank by ...