Archive of articles published on the 13th of December 2011

Spring's rising soil temperatures see hormones wake seeds from their winter slumber
Tiny protein helps bacteria 'talk' and triggers defensive response in plants
The paradox of gift giving: More not better, says new study
Mothers' weight before and during pregnancy affects baby's weight
Life after cigarettes
Study reveals an association between impatience and lower credit scores
Findings on biochar, greenhouse gas emissions and ethylene
Iowa State engineers study how hills, nearby turbines affect wind energy production
Inspired by insect cuticle, Wyss Institute develops material that's tough and strong
All it takes is a smile (for some guys)
In third-degree burn treatment, hydrogel helps grow new, scar-free skin
High-energy physicists set record for network data transfer
Nanoparticles help Mayo Clinic researcher deliver steroids to retina
First electronic optical fibers with hydrogenated amorphous silicon are developed
Scientists develop vaccine that successfully attacks breast cancer in mice
A good nose: RUB-Researchers decipher interaction of fragrances and olfactory receptors
Largest ever gas mix caught in ultra-freeze trap
Using many instruments to track a comet
NASA's Fermi shows that Tycho's star shines in gamma rays
American Cancer Society revises cancer screening guideline process
High levels of tau protein linked to poor recovery after brain injury
NASA developing comet harpoon for sample return
Was Darwin wrong about emotions?
Small reactors could figure into US energy future
New path to flex and stretch electronics
Studies identify most common causes, risk factors for stillbirth
Starving orangutans might help to better understand obesity and eating disorders in humans