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Between a rock and a Mars place

Scientists have the strongest evidence yet that granite exists on Mars. The findings suggest a much more geologically complex Mars than previously believed. Large amounts of a mineral found in granite, feldspar, have been detected by the spectrometers on board the NASA’s Mars Reconnaissance Orbiter; the granite is present in an ancient Martian volcano. Moreover, […]

What is ambergris?

Ambergris (ambergrease or grey amber) is a waxy, inflammable solid with a dull grey colour formed as a biliary secretion in the gut of sperm whales. It is thought to act as a protective lubricant so that squid beaks and other hard, sharp ojects the whale may swallow don’t pierce its intestine. Its main use […]

Lead paint still on sale in Africa

Paint containing dangerous amounts of lead is on sale in Cameroon, a study has found. Moreover, the subsidiaries of large multinational companies were among those found to be selling this paint. via Lead paint still on sale in Africa | Chemistry World.

Antioxidant backlash redux

According to Henry Scowcroft of Cancer Research UK writing in The Guardian: “Large studies have repeatedly shown that, with the possible exception of vitamin D, antioxidant supplements have negligible positive effect on healthy people, at least in terms of important things such as preventing people getting cancer or dying prematurely. And some supplements – notably […]

Strong test for FUR

A new spectroscopic method has been developed for the determination of the drug furosemide used to treat congestive heart failure and other conditions. The drug is alsosed illegally by some athletes as a stimulant and rapid weight-loss agent.Yali Liu, Huijuan Wang, Jian Wang and Yuanfang Li of Southwest University, in Chongqing, China, explain how furosemide […]