Burn any animal or vegetable matter with a limited supply of air, as is the case inside a wood pile, and you are left with charcoal, essentially carbon mixed with some mineral ash. The fact that...
Life comes down to a struggle between risk and benefit. Although not always consciously, we evaluate our diet, our cosmetics, our medications, household chemicals and activity levels on the basis...
It represents the colour of blood. During the Middle Ages monks were required to shave the crown of their head, a function commonly performed by itinerant barbers. Also, under ecclesiastic law,...
When we take a medication, we trust there is evidence that it will work. When we apply a cosmetic, we trust there is evidence that it is safe. When we put on a sunscreen, we trust there is evidence...
It always pays to read the study! It really does, because popular accounts often misinterpret what researchers actually found and end up raising undue alarm. Of course it is raising the red flag of...
