Almost three-quarters of the Earth is covered by oceans, giving our planet a pale blue dot appearance from space. However, Japanese researchers have presented compelling evidence suggesting that the oceans…
Rust It is a constant threat to iron, which easily oxidizes both in air and in water. Even steel—a hard alloy of iron and carbon—rusts easily. However, stainless steel, as…
A team of researchers from Spain and Saudi Arabia has analyzed the so-called “Treasure of Villena,” discovered on the Iberian Peninsula in 1963. These ancient valuables were stored for over…
Perhaps you have dreamed of a robot assistant that would cook, clean, and do any other tasks for you? For a long time, this idea seemed too fantastical, but it…
Glue for Paper and Cardboard. Paper and cardboard bond well with a starch paste. To make the paste, you can use potato or corn starch, or wheat, corn, or rye…