Sea sponges reveal global temperature changes

Sea sponges reveal global temperature changes

Scientists have found that the world is 1.7 degrees warmer, according to information gathered from the Puerto Rican sea sponge. Researchers from The University of Western Australia collaborated with experts from Indiana State university and the University of Puerto...
Please explain: How are diamonds grown in a lab?

Please explain: How are diamonds grown in a lab?

What exactly are lab-grown diamonds and how do they compare with the real thing?  Professors Tracey Rushmer and Rich Mildren explain. A diamond is a solid rock of carbon and the hardest known naturally occurring substance. Because diamonds also have some extraordinary...