How did the oceans get polluted with mercury?

How did the oceans get polluted with mercury

Mercury is a heavy metal, which is liquid at room temperature. And while we may only have seen it trapped in glass in thermometers, marine animals, unfortunately, have had a much worse experience. Being a part of the heavy metal family means that mercury stays where it reaches. It is not destroyed … Read more

How is the mating ritual of octopus?

How is the mating ritual of octopus?

Nature is full of wonders and strange things that would blow our mind if we look closely enough. From the mind-bending events taking place in space, to the amazing things animals and plants do on our own planet. The animal kingdom is full of all kinds of weird wonders and fantastical activities. … Read more

How do fish’s gills work? And why do fish die when taken out of water?

How do fish's gills work? And why do fish die when taken out of water?

Like any of the animals on land, fishes also need oxygen to power their metabolism and survive. However, they don’t get oxygen freely like we do on land. They use the oxygen contained in the water for that, employing the gills to exchange the oxygen and carbon dioxide. The gills are to … Read more

Have the oceans always been salty?

Have the oceans always been salty

Have you ever wondered why beach water is salty while lake water is not? Ever thought about how this salt ended up within the sea? If yes, then let’s see what the story behind it is. The world that we live and breathe in was not always like this. When the earth … Read more

How do dolphins sleep without drowning? Is it true that they sleep with one eye open?

How do dolphins sleep without drowning Is it true that they sleep with one eye open

Dolphins, being air-breathing mammals, have to resurface every now and then to breathe fresh air. So, one wonders when and how they manage to get sleep. Dolphins are a small group of whales and like other whales they have lungs instead of gills. They breathe through a single nostril called the blowhole … Read more