ScienceDaily: Top Environment News |
- Warmer oceans could raise mercury levels in fish
- Aggressive fungal pathogen causes mold in fruits, vegetables
- Scientists use climate model to better understand electricity in the air
- Native tribes' traditional knowledge can help US adapt to climate change
- Naked jets of water make a better pollutant detector
- Two new enigmatic spider species with peculiar living habits from Uruguay
- Accurate maps of streams could aid in more sustainable development of Potomac River watershed
- Improving water security with blue, green, and gray water
- Civilization is defined by 'the others'
- Diesel exhaust stops honeybees from finding the flowers they want to forage
- Light at night, melatonin and bird behavior
- Death of a spruce tree
- Early spring warming has greatest effect on breaking bud
| Warmer oceans could raise mercury levels in fish Posted: 03 Oct 2013 01:29 PM PDT Rising ocean surface temperatures caused by climate change could make fish accumulate more mercury, increasing the health risk to people who eat seafood, researchers report.  |
| Aggressive fungal pathogen causes mold in fruits, vegetables Posted: 03 Oct 2013 01:29 PM PDT A research team has discovered the mechanism by which an aggressive fungal pathogen infects almost all fruits and vegetables. The team discovered a novel virulence mechanism of Botrytis cinerea, a pathogen that can infect more than 200 plant species, causing serious gray mold disease on almost all fruits and vegetables that have been around, even at times in the refrigerator, for more than a week.  |
| Scientists use climate model to better understand electricity in the air Posted: 03 Oct 2013 01:29 PM PDT Scientists have developed a global electric circuit model by adding an additional layer to a climate model.  |
| Native tribes' traditional knowledge can help US adapt to climate change Posted: 03 Oct 2013 01:29 PM PDT New England's Native tribes, whose sustainable ways of farming, forestry, hunting and land and water management were devastated by European colonists four centuries ago, can help modern America adapt to climate change.  |
| Naked jets of water make a better pollutant detector Posted: 03 Oct 2013 01:29 PM PDT When you shine UV through water polluted with certain organic chemicals and bacteria, the contaminants measurably absorb the UV light and then re-emit it as visible light. Many of today's more advanced devices for testing water are built to make use of this fluorescent property of pollutants; but the walls of the channels through which the water travels in these devices can produce background noise that makes it difficult to get a clear reading.  |
| Two new enigmatic spider species with peculiar living habits from Uruguay Posted: 03 Oct 2013 08:12 AM PDT Scientists describe two new spider species from the Nemesiidae family. The representatives of this family live in silk lined burrows covered by a flap-like door that they build for their protection and as an ambush cover when hunting.  |
| Accurate maps of streams could aid in more sustainable development of Potomac River watershed Posted: 03 Oct 2013 08:12 AM PDT Where a stream ends is clear, but where it begins can be more difficult to discern. Researchers have now developed a new method to solve this problem, resulting in a new map of the Potomac River watershed stream network that significantly improves the information needed for assessing the impact of urbanization on aquatic ecosystems.  |
| Improving water security with blue, green, and gray water Posted: 03 Oct 2013 08:11 AM PDT With limited water and an increasing number of people depending on it, water security is tenuous. But integrated water management plans using "blue," "green," and "gray" water can increase water security.  |
| Civilization is defined by 'the others' Posted: 03 Oct 2013 06:54 AM PDT What does it mean to be a civilized person? A civilized nation? How are these notions changing over time? And from one country to another?  |
| Diesel exhaust stops honeybees from finding the flowers they want to forage Posted: 03 Oct 2013 06:30 AM PDT Exposure to common air pollutants found in diesel exhaust pollution can affect the ability of honeybees to recognise floral odours. Honeybees use floral odours to help locate, identify and recognise the flowers from which they forage. Now it appears that diesel exhaust fumes change the profile of flora odour, and that these changes may affect honeybees' foraging efficiency and, ultimately, could affect pollination and thus global food security.  |
| Light at night, melatonin and bird behavior Posted: 02 Oct 2013 06:22 PM PDT Low light levels, similar to those found in urban areas at night, can have a significant effect on melatonin production in birds at night. This suggests that melatonin could be mediating changes in bird behaviour at night. Researchers suggest that altered melatonin production may cause birds to interpret increased light during the night as shorter nights.  |
| Posted: 02 Oct 2013 03:55 PM PDT Examining a long-lived forest, researchers have measured mortality of Black Spruce trees in the northern forests of North America, and have found the dead trees aren't being replaced by new ones. The result suggests trees might be storing more carbon than currently estimated.  |
| Early spring warming has greatest effect on breaking bud Posted: 02 Oct 2013 09:55 AM PDT A statistical analysis of how plants are responding to climate change has found that unseasonal warming during the late-winter/early-spring period has more effect on the plant's timing than at any other time of the year.  |
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