Fracking flowback could pollute groundwater with heavy metals

The chemical makeup of wastewater generated by "hydrofracking" could cause the release of tiny particles in soils that often strongly bind heavy metals and pollutants, exacerbating the environmental risks during accidental ...

What gave us the advantage over extinct types of humans?

In parallel with modern man (Homo sapiens), there were other, extinct types of humans with whom we lived side by side, such as Neanderthals and the recently discovered Denisovans of Siberia. Yet only Homo sapiens survived. ...

Cassini sheds light on Titan's second largest lake, Ligeia Mare

Saturn's second largest moon, Titan, is known for its dense, planet-like atmosphere and large lakes most likely made of methane and ethane. It has been suggested that Titan's atmosphere and surface is a model of early Earth. ...

Environment drives genetics in 'Evolution Canyon'

Interplay between genes and the environment has been pondered at least since the phrase "nature versus nurture" was coined in the mid-1800s. But until the arrival of modern genomic sequencing tools, it was hard to measure ...

The coelacanth leads a monogamous life

Scientists have successfully analyzed the genetic make-up of the offspring of pregnant coelacanth females for the first time. They found that the likelihood that the offspring is fathered by one single individual is very ...

Immune system study could help conserve endangered species

(Phys.org) —A study by University of Georgia ecologists has found that diversity in mammal immune system genes may have more to do with the opportunity to choose a mate than with exposure to parasites.

Drug patch treatment sees new breakthrough

Wake Forest School of Biomedical Engineering has developed a flexible microneedle patch that allows drugs to be delivered directly and fully through the skin. The new patch can quicken drug delivery time while cutting waste, ...

Study finds more tweets means more votes for political candidates

An Indiana University study found that the percentage of votes for Republican and Democratic candidates in 2010 and 2012 races for the U.S. House of Representatives could be predicted by the percentage of tweets that mentioned ...

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