Biology News
September 2, 2015

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September 2, 2015

Sep. 2, 2015 — The Earth's first mass extinction event 540 million years ago was caused not by a meteorite impact or volcanic super-eruption but by the rise of early animals that dramatically changed the ... read more

Making Fuel from Light

Sep. 2, 2015 — Photosynthesis has given life to the planet. While scientists have been studying and mimicking the natural phenomenon in the laboratory for years, understanding how to replicate the chemical process ... read more

Sep. 1, 2015 — The careful examination of fossil fragments from Panama has led Smithsonian scientists and colleagues to the discovery of a new genus and species of river dolphin that has been long extinct. The team ... read more

Sep. 1, 2015 — You don't name a sea creature after an ancient Greek warship unless it's built like a predator. That's certainly true of Pentecopterus, a giant sea scorpion with the features of a ... read more

Endangered Animals Can Be Identified by Rate of Genetic Diversity Loss

Aug. 31, 2015 — A new study presents a novel approach for identifying vertebrate populations at risk of extinction by estimating the rate of genetic diversity loss, a measurement that could help researchers and ... read more

Aug. 31, 2015 — Among birds, the line between species is often blurry. Some closely related species interbreed where their ranges overlap, producing hybrid offspring. In the coastal marshes of New England, this has ... read more

Aug. 31, 2015 — Thousands of new species are identified every year, and new and efficient methods are needed to document this diversity and to make information about new species available to other scientists and to ... read more

Aug. 31, 2015 — Life on an island isn't always easy. To make the most of the little there is to eat on many Greek islands, the digestive system of Balkan green lizards has evolved considerably compared to ... read more

Aug. 31, 2015 — A new species of giant file clam from Atlantic Canadian waters has been described by Canadian scientists. The 'cryptic' clam, which lives in deepwater canyons, was first found off the coast ... read more

Aug. 31, 2015 — How did the ankylosaur get its tail club? According to research that traces the evolution of the ankylosaur's distinctive tail, the handle arrived first on the scene, and the knot at the end of ... read more

Aug. 31, 2015 — The process of endocytosis -- how cells 'eat' by absorbing molecules -- drives rapid embryonic healing, scientists have discovered. They suggest the results should be used to design better ... read more

Ants to the Rescue: How Super-Organisms Could Become Super Pest Controllers

Aug. 31, 2015 — As global population rises and finite resources dwindle, farmers need new, more sustainable ways to control pests. Now, ecologists have found a safe, sustainable and cost-effective new pest control. ... read more

Aug. 31, 2015 — From 1952, DNA was sequenced, modified and extensively studied, but no technique was able to produce clear direct images of DNA. Now, researchers have developed a new technique to produce a direct ... read more

Aug. 28, 2015 — A closer look at how honey bee colonies determine which larvae will serve as workers and which will become queens reveals that a plant chemical, p-coumaric acid, plays a key role in the bees' ... read more

Aug. 28, 2015 — In all organisms, water's pH has a profound effect. Because the interaction of carbon dioxide and water explains the natural acidity of water and all accompanying reactions, it is considered a ... read more

Aug. 28, 2015 — Viruses are able to redirect the functioning of cells in order to infect them. Inspired by their mode of action, scientists have designed a "chemical virus" that can cross the double lipid ... read more

Aug. 28, 2015 — A new study describes the bio-archaeological remains of the Philistine culture in Israel during the Iron Age (12th century to 7th century BCE). The results of this research indicate that the ca. 600 ... read more

Aug. 28, 2015 — Researchers have for the first time created and used a nanoscale vehicle made of DNA to deliver a CRISPR-Cas9 gene-editing tool into cells in both cell culture and an animal ... read more

Aug. 28, 2015 — Scientists have predicted how biological circuits generate rhythms and control their robustness, utilizing mathematical modeling based on differential equations and stochastic parameter ... read more

Aug. 28, 2015 — A growing, dividing cell uses most of its energy store to make its "protein factories," the ribosomes. An important player in their "assembly" is the exosome, a molecular ... read more

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