The sand grains capable of "singing" share common physical characteristics: they are generally round, well-sorted in size, and their surface is particularly smooth and polished, as if...
Norwegian fjords owe their spectacular appearance to a rather tumultuous geological history. It all begins hundreds of millions of years ago, when tectonic plates collide, pushing and...
Ancient civilizations observed the phases of the Moon directly without any special instruments. They simply had to look up and follow its cycle of about...
The Sun has always been perceived as the main source of life by ancient civilizations: simply because without it, there is no heat, no light, and therefore...
Nestled between the dry mountains of the Negev Desert and the divinely blue waters of the Red Sea, Eilat is truly unique. Located at the...
Mountains are in perpetual motion, even if it’s not obvious. At the heart of the rocky massif, the layers of snow and ice accumulated exert...
Viscosity is basically the ease with which magma flows or doesn't. A very viscous magma, like a paste, struggles to release the gases within it. This creates...
Seabirds have a true internal compass thanks to their sensitivity to the Earth's magnetic field. This natural mechanism acts somewhat like an integrated GPS, intuitively...
If you look closely at an eggshell, you'll quickly notice that it is not as smooth as it appears. Under a microscope, it looks like...
Sea anemones possess a rudimentary nervous system made up of a network of nerve cells called a diffuse nerve net. When something touches them or...