All posts from Today
- May 19, 2013
- 03:48 PM
- 8 views
A deeper look at the geology of diamonds
by Metageologist in Metageologist
The geology of diamonds is fascinating in itself, but they also give insights into wider geological processes and history. Up until 1725, diamonds were only known from India. That all changed when Brazilians panning river sediments for gold, instead found diamonds. Recent … Continue reading →... Read more »
Harte, B., & Richardson, S. (2012) Mineral inclusions in diamonds track the evolution of a Mesozoic subducted slab beneath West Gondwanaland. Gondwana Research, 21(1), 236-245. DOI: 10.1016/j.gr.2011.07.001
Harte, B., & Cayzer, N. (2007) Decompression and unmixing of crystals included in diamonds from the mantle transition zone. Physics and Chemistry of Minerals, 34(9), 647-656. DOI: 10.1007/s00269-007-0178-2
- May 19, 2013
- 12:10 PM
- 53 views
Shrinking Alligator Penises: Using Wildlife Models to Study How Chemical Contaminants May Affect Human Reproductive Systems (Guest Post)
by David Steen in Living Alongside Wildlife
Erin on the side of a river somewhere in western NC, hard at work study obviously.
Erin Abernethy is a Master’s student in the Odum
School of Ecology at the University of Georgia, where she is studying
scavenging ecology in Hawaii. Before coming to Athens, Erin lived in North
Carolina earning her BS in Biology at Appalachian State. For that degree,... Read more »
Guillette Jr., L., Pickford, D., Crain, D., Rooney, A., & Percival, H. (1996) Reduction in Penis Size and Plasma Testosterone Concentrations in Juvenile Alligators Living in a Contaminated Environment. General and Comparative Endocrinology, 101(1), 32-42. DOI: 10.1006/gcen.1996.0005
- May 19, 2013
- 11:55 AM
- 10 views
The extinction of the Irish brown bear
by Denise O'Meara in A dribble of knowledge
A new study by Saoirse Leonard and co-authors from the Institute of Zoology, London and the University of Liverpool model the potential survival of brown bears in an Irish glacial refugium. The study has just been published in Biology Letters, and is free to read.
The study examines the presence of the now extinct brown bear (Ursus arctos) in Ireland during the Last Glacial Maximum (between 15,000 and 24,000 years ago) and aims to address the possibility that bears survived in Ireland during ........ Read more »
Leonard, S., Risley, C., & Turvey, S. (2013) Could brown bears (Ursus arctos) have survived in Ireland during the Last Glacial Maximum?. Biology Letters, 9(4), 20130281-20130281. DOI: 10.1098/rsbl.2013.0281
Edwards, C., Suchard, M., Lemey, P., Welch, J., Barnes, I., Fulton, T., Barnett, R., O'Connell, T., Coxon, P., Monaghan, N.... (2011) Ancient Hybridization and an Irish Origin for the Modern Polar Bear Matriline. Current Biology, 21(15), 1251-1258. DOI: 10.1016/j.cub.2011.05.058
- May 19, 2013
- 08:39 AM
- 12 views
Caring for infants is all in the-womans eyes
by Andrew Porterfield in United Academics
Human infants require a lot of care, and our evolution owes a lot of how well, and how long we take, to raise our offspring. So, it’s very important that not only parents pay close attention to their young children, it’s also evolutionary important that extended family members (grandparents, siblings, even friends) can give their attention to another person’s child... Read more »
Cárdenas, R., Harris, L., & Becker, M. (2013) Sex differences in visual attention toward infant faces. Evolution and Human Behavior. DOI: 10.1016/j.evolhumbehav.2013.04.001
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