Plants can't swat a bug or run away from one, but that doesn't mean that plants can't fight back. Plants have evolved unique and sophisticated immune systems to defend themselves against insects and pathogens. Plant hormones ...
Biotechnology
May 23, 2013
0
0
Duke University biomedical engineers have developed a new delivery system that overcomes the shortcomings of a promising class of peptide drugs – very small proteins – for treating diseases such as diabetes and cancer.
Biochemistry
Jan 28, 2013
0
0
Animals which maintain cooperative relationships show gains in longevity and offspring survival. However, little is known about the cognitive or hormonal mechanisms involved in cooperation. Researchers of the Max Planck Institute ...
Plants & Animals
Jan 23, 2013
0
0
Calcium is so much more than the mineral that makes our bones and teeth strong: It is a ubiquitous signaling molecule that provides crucial information inside of and between cells. Calcium is used to help our hearts beat ...
Plants & Animals
Jan 4, 2013
0
0
Eating certain veggies not only supplies key nutrients, it may also influence hormone levels and behaviors such as aggression and sexual activity, says a new study led by researchers at the University of California, Berkeley, ...
Plants & Animals
Nov 19, 2012
1
0
(Phys.org)—Paleopathologist Simona Minozzi and her team working at the University of Pisa, have published a paper in the Journal of Clinical Endocrinology and Metabolism describing the skeletal remains of a Roman man from ...
Researchers have discovered in fruit flies a key metabolic hormone thought to be the exclusive property of vertebrates. The hormone, leptin, is a nutrient sensor, regulating energy intake and output and ultimately controlling ...
Cell & Microbiology
Sep 27, 2012
0
0
Hormone-mimicking chemicals released into rivers have been found to impact the mating choices of fish, a new study has revealed. The controversial chemical BPA, which emits oestrogen-like properties, was found to alter an ...
Ecology
Jul 11, 2012
1
0
Leonardo da Vinci, the Italian Renaissance scientist and artist extraordinaire, in the 15th century was the first to record his observation that some plants appeared to follow the Sun, and he was not the last. How this was ...
Biotechnology
May 30, 2012
0
0
(PhysOrg.com) -- Men with strong immune systems are most attractive to members of the opposite sex according to a new study from the University of Abertay Dundee and partners.
Social Sciences
Feb 23, 2012
0
0
