ScienceDaily: Top Environment News |
- Researchers find our inner reptile hearts
- X-rays unravel mysterious degradation of Van Gogh painting: Protective varnish caused discoloration
- Teamwork in the tropics: Pollinators and frugivores are less choosy at the equator
- Roman military camp dating back to the conquest of Gaul throws light on a part of world history
- UK model to better predict extreme winters in Europe
- Negative cross-resistance helps scientists outmaneuver herbicide-resistant weeds
- Changing Alpine landscape: Lakes are replacing glaciers
- New model could help predict historical air pollution exposure; Study also shows that air quality improves when unemployment rises
| Researchers find our inner reptile hearts Posted: 14 Sep 2012 10:20 AM PDT Researchers have finally succeeded in showing that the spongy tissue in reptile hearts is the forerunner of the complex hearts of both birds and mammals. The new knowledge provides a deeper understanding of the complex conductive tissue of the human heart, which is of key importance in many heart conditions.  |
| X-rays unravel mysterious degradation of Van Gogh painting: Protective varnish caused discoloration Posted: 14 Sep 2012 05:09 AM PDT Synchrotron X-ray analysis has identified why parts of a Van Gogh painting changed color over time: a supposedly protective varnish applied after the master's death has made some bright yellow flowers turn to orange-grey. The origin is a degradation process at the interface between paint and varnish. After this discovery, conservators in many museums have to newly address the question of restoring Van Gogh paintings.  |
| Teamwork in the tropics: Pollinators and frugivores are less choosy at the equator Posted: 14 Sep 2012 05:06 AM PDT The bright crimson Andean cock-of-the-rock eats the fruits of over 100 plant species and disperses their seeds. It is in good company, since other seed-dispersing birds and pollinating insects in the tropics are also – contrary to prior doctrine – less specialized on individual plant species than their temperate counterparts.  |
| Roman military camp dating back to the conquest of Gaul throws light on a part of world history Posted: 14 Sep 2012 05:06 AM PDT In the vicinity of Hermeskeil, a small town some 30 kilometers southeast of the city of Trier in the Hunsrueck region in the German federal state of Rhineland-Palatinate, archaeologists have confirmed the location of the oldest Roman military fortification known in Germany to date. These findings shed new light on the Roman conquest of Gaul. The camp was presumably built during Julius Caesars' Gallic War in the late 50s B.C.  |
| UK model to better predict extreme winters in Europe Posted: 13 Sep 2012 05:36 PM PDT Severe UK winters, like the 'big freeze' of 2009/10, can now be better forecast months in advance using the Met Office's latest model, new research suggests.  |
| Negative cross-resistance helps scientists outmaneuver herbicide-resistant weeds Posted: 13 Sep 2012 05:34 PM PDT Kochia, a weed that is rapidly becoming more abundant across southern Canadian prairies and the Great Plains of the United States, can reduce crop yields by up to 60 percent. Fighting this weed has become difficult because more than 90 percent of kochia populations are now resistant to acetolactate synthase (ALS)-inhibiting herbicides. The phenomenon of negative cross-resistance, however, may offer another path to defeating the spread of this weed.  |
| Changing Alpine landscape: Lakes are replacing glaciers Posted: 13 Sep 2012 05:46 AM PDT Lakes will soon replace glaciers as a characteristic element of the Alpine landscape. A study has now analyzed the potential of these lakes (present and future) in terms of tourism, hydro-electric power and natural dangers.  |
| Posted: 12 Sep 2012 12:28 PM PDT A recent study of the relationship between air quality and unemployment levels uses a new statistical model that retrospectively estimates air pollution for previous time periods where such information is not available. The study also found that air quality improved during recessions.  |
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