New study reveals how Chinook salmon use the Earth’s magnetic field as a kind of GPS signal to help navigate in the ocean Researchers confirmed the existence of magnetite crystals in Chinook salmon The crystals allow the salmon to sense magnetic pulses from the Earth They use these pulses as a biological GPS signal to … Read more
The Earth’s tectonic plates started moving more than 3.2 billion years ago – just over 1.3 billion years after the Earth first formed and earlier than originally thought. The outermost shell of the Earth is broken down into seven major tectonic plates and many smaller ones that move between 0.4 inches and 6.2 inches per … Read more
The world’s oceans and Earth’s marine life can be saved by 2050, scientists claim, but substantial rebuilding efforts will be required. An international team of researchers say humanity is at a point at which it must choose whether to leave future generations a resilient, vibrant ocean or an ‘irreversibly disrupted’ one. The team’s study lays … Read more
A bad time to be alive’: More than half of all Earth’s ocean life died off 444 million years ago because it ran out of oxygen, study shows Researchers studied samples of black shale from the Murzuq Basin in Libya They used this and existing data to build a model of ancient ocean oxygen levels It suggested … Read more