ScienceDaily: Strange Science News |
- Manipulative mothers subdue show-off sons, bird researchers demonstrate
- A deep male voice helps women remember
- Breath and sweat used to detect trapped humans
| Manipulative mothers subdue show-off sons, bird researchers demonstrate Posted: 12 Sep 2011 12:29 PM PDT The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when mothers can decide whether to have a son or a daughter.  |
| A deep male voice helps women remember Posted: 12 Sep 2011 11:33 AM PDT Men take note: If you want women to remember, speak to them in a low pitch voice. Then, they may rate you as a potential mate. That's according to a new study. The work shows for the first time that a low masculine voice is important for both mate choice and the accuracy of women's memory.  |
| Breath and sweat used to detect trapped humans Posted: 12 Sep 2011 04:57 AM PDT Molecules in their breath, sweat and skin have been used to detect humans in a simulation of a collapsed building, raising the prospect of portable sensors for use in real-life situations, such as the devastating aftermath of the 9/11 attacks and more recent disasters in New Zealand and Japan.  |
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