ScienceDaily: Top Science News |
- Paleontologists discover new fossil organism
- Longevity gene may boost brain power: Researchers discover the gene may enhance cognitive abilities
- New species of metal-eating plant discovered in the Philippines
- Link between insecticides and collapse of honey bee colonies strengthened
- Experiencing letters as colors: New insights into synesthesia
| Paleontologists discover new fossil organism Posted: 09 May 2014 02:29 PM PDT Paleontologists have discovered a fossil of a newly discovered organism from the Ediacara Biota. Plexus ricei was a broadly curving tube that resided on the seafloor. Individuals range in size from 5 to 80 cm long and 5 to 20 mm wide, and comprise a rigid median tubular structure and a fragile outer tubular wall. Plexus ricei evolved around 575 million years ago, disappearing from the fossil record around 540 million years ago.  |
| Longevity gene may boost brain power: Researchers discover the gene may enhance cognitive abilities Posted: 09 May 2014 12:08 PM PDT Scientists showed that people who have a variant of a longevity gene, called KLOTHO, have improved brain skills such as thinking, learning and memory regardless of their age, sex, or whether they have a genetic risk factor for Alzheimer's disease. Increasing KLOTHO gene levels in mice made them smarter, possibly by increasing the strength of connections between nerve cells in the brain.  |
| New species of metal-eating plant discovered in the Philippines Posted: 09 May 2014 10:00 AM PDT Scientists have discovered a new plant species with an unusual lifestyle -- it eats nickel for a living -- accumulating up to 18,000 ppm of the metal in its leaves without itself being poisoned, says the lead author of a new report. Such an amount is a hundred to a thousand times higher than in most other plants.  |
| Link between insecticides and collapse of honey bee colonies strengthened Posted: 09 May 2014 08:07 AM PDT Two widely used neonicotinoids -- a class of insecticide -- appear to significantly harm honey bee colonies over the winter, particularly during colder winters, according to researchers. The study replicated a 2012 finding from the same research group that found a link between imidacloprid and Colony Collapse Disorder, in which bees abandon their hives over the winter and eventually die. The new study found low doses of a second neonicotinoid, clothianidin, had the same negative effect.  |
| Experiencing letters as colors: New insights into synesthesia Posted: 09 May 2014 04:41 AM PDT Scientists studying the bizarre phenomenon of synasthesia – best described as a "union of the senses" whereby two or more of the five senses that are normally experienced separately are involuntarily and automatically joined together – have made a new breakthrough in their attempts to understand the condition.  |
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