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Algae: Applications in Removing Arsenic and Beyond

A 5000x magnification view of diatoms, a type of tiny algae. (Credit: from Jim Mikulak (The English Wikipedia) via Wikimedia Commons.) Scientists at Zhejiang University have recently published an improved method for removing arsenic from drinking water,…

The misnomer of Ebola mutations rates

Reports this week have touted headlines such as “Ebola is not mutating as fast as scientists feared” and “Ebola virus in latest outbreak does not show unusual mutations.” These headlines are based on a report published in the journal Science last week…

As good as it gets? Peer review and its discontents

In February, the journal Nature and its sister publications announced a new policy for their peer review process (the evaluation of submitted articles by experts in the field). The journal normally operates on the basis of single-blind peer…

A step towards the primordial soup

Fossilized remains of cyanobacteria thought to be among the first organisms on earth (Wikimedia Commons). How did life originate? This puzzle has been studied by scientists for hundreds of years. Authors of a new paper in Nature have made significant…

DNA editing in humans: Biologists preach prudence

Rendering of the double helical structure of DNA [Image: Dna rendering/ynse under CC-BY licence]Recent advances in genetics have afforded the ability to precisely manipulate every letter of our genetic code.  Several world-renowned biologists, however,…

Dark Matter Detected, or False Alarm?

Although dark matter makes up 80% of all matter in the universe, physicists are still struggling to understand exactly what it is. This perplexity is largely due to the fact that dark matter is invisible and difficult to study directly, but a dwarf…

What large ants tell us about variation in complex human traits

Ant feeding on honey [Image: Fir0002/Flagstaffotos under CC-BY license] Traits that exist along a continuum, such as height, size, and behavior, vary significantly from person to person. The genetic and environmental interactions that cause these…