The dose makes the poison, it is often said, and it is true. Lots of medicines and chemicals are harmless or beneficial in reasonable quantities but dangerous in high quantities. What about CO2 in…

There are numerous ways to address carbon emissions but are we choosing the right approaches? America and Europe have invested heavily in subsidizing solar and wind generation and solar panels - but…

Evolutionary adaptations have allowed Tibetans to have no trouble living at 13,000 feet, but how they became able to conquer the harsh environment of hypoxia has long been a mystery. Genetic studies…

Medicine is advancing rapidly and it always has risks, but in early going the risks are going to be greater. A paper found that the risk of patient harm increased two-fold in 2006, the year when…

What is the impact of volcanic sulfate emissions on climate? Researchers have completed the most accurate and precise reconstruction to date of historic volcanic sulfate emissions in the Southern…

The small intestine is not easy to examine. X-rays, MRIs and ultrasound images provide snapshots but each suffers limitations.   The average human small intestine is roughly 23 feet long and 1…

Lasers are ubiquitous but there are still wavelengths for which only large and expensive ones exist, or none at all. Remote sensing and medical applications call for compact laser systems, for…

Recent meta-analyses of the efficacy of second-generation antidepressants for youth have concluded that they possess anadvantage over placebo in terms of clinician-rated depressive symptoms, but no…

Fish is good for you and has been growing in popularity.  Atlantic Bluefin Tuna is a much sought after delicacy, though the International Union for Conservation of Nature (IUCN) lists it as…

Skeletal remains uncovered near the site of a Roman villa in Dorset are likely the five skeletons of the owners and occupants of the villa – the first time in Britain that the graves of villa owners…