ScienceDaily: Top Environment News |
- How the daffodil got its trumpet
- A new cryptic spider species from Africa
- Waves generated by Russian meteor recorded crossing the US
| How the daffodil got its trumpet Posted: 09 Mar 2013 01:02 PM PST The daffodil is one of the few plants with a 'corona', a crown-like structure also referred to as the 'trumpet'. New research suggests that the corona is not an extension of the petals as previously thought, but is a distinct organ sharing more genetic identity with stamens, the pollen-producing reproductive organs.  |
| A new cryptic spider species from Africa Posted: 07 Mar 2013 09:47 AM PST A revision of the cryptic, ground-dwelling spider genus Copa for the continental Afrotropical Region adds a new species to the genus, but altogether reduces the number of species in the region from four to two. A close look at the biology of the two described regional representatives display astonishing extremes in their vagility and ecological flexibility.  |
| Waves generated by Russian meteor recorded crossing the US Posted: 07 Mar 2013 09:45 AM PST A network of seismographic stations recorded spectacular signals from the blast waves of the meteor that landed near Chelyabinsk, Russia, as the waves crossed the United States.  |
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