GrrlScientist , GrrlScientist , GrrlScientist , GrrlScientist

229 posts · 350,403 views

GrrlScientist is the blog pseudonym for an evolutionary biologist/ornithologist who writes about E3: Evolution, Ecology and Ethology, and the subtle relationships between these phenomena, especially in birds.

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  • August 9, 2012
  • 12:30 PM
  • 667 views

Mystery bird: Sira barbet, Capito fitzpatricki | @GrrlScientist

by GrrlScientist in GrrlScientist

This striking mystery bird is a new species just discovered in the cloud forests of Peru!... Read more »

Glenn F. Seeholzer, Benjamin M. Winger, Michael G. Harvey, Daniel Cáceres A., & Jason D. Weckstein. (2012) A new species of barbet (Capitonidae: Capito) from the Cerros del Sira, Ucayali, Peru. Auk, 129(3), 551-559. info:/10.1525/auk.2012.11250

John P O'Neill, Daniel F Lane, Andrew W Kratter, Angelo P Capparella, & Cecilia Fox Joo. (2000) A striking new species of barbet (Capitoninae: Capito) from the eastern Andes of Peru. Auk, 117(3), 569-577. info:/10.1642/0004-8038(2000)117[0569:ASNSOB]2.0.CO;2

  • June 27, 2012
  • 04:38 PM
  • 906 views

Trees, grass and gas: the battle for dominance | @GrrlScientist

by GrrlScientist in GrrlScientist

A new study shows that increasing carbon dioxide levels favours trees over grass, suggesting that large regions of Africa's savannas may be forests by the end of this century... Read more »

Steven I. Higgins, & Simon Scheiter. (2012) Atmospheric CO2 forces abrupt vegetation shifts locally, but not globally. Nature. info:/10.1038/nature11238

John Grace, Jose´ San Jose´, Patrick Meir, Heloisa S. Miranda, & Ruben A. Montes. (2006) Productivity and carbon fluxes of tropical savannas. Journal of Biogeography, 387-400. info:/10.1111/j.1365-2699.2005.01448.x

  • May 10, 2012
  • 04:12 AM
  • 749 views

Identification of the world's smallest mammoth | video | @GrrlScientist

by GrrlScientist in GrrlScientist

The world's smallest mammoth has been discovered on Crete, and it's the size of a newborn baby elephant!... Read more »

Herridge, V., & Lister, A. (2012) Extreme insular dwarfism evolved in a mammoth. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2012.0671  

  • May 8, 2012
  • 05:15 AM
  • 830 views

Bee deaths linked to common pesticides |video| @GrrlScientist

by GrrlScientist in GrrlScientist

Two recently published scientific studies show that bee populations are being ravaged by widespread use of a particular type of pesticide, the neonicotinoids.... Read more »

Henry, M., Beguin, M., Requier, F., Rollin, O., Odoux, J., Aupinel, P., Aptel, J., Tchamitchian, S., & Decourtye, A. (2012) A Common Pesticide Decreases Foraging Success and Survival in Honey Bees. Science, 336(6079), 348-350. DOI: 10.1126/science.1215039  

  • May 3, 2012
  • 04:00 AM
  • 716 views

Were dinosaurs undergoing long-term decline before mass extinction? |video| @GrrlScientist

by GrrlScientist in GrrlScientist

A new scientific paper uses a unique methodology to addresses this timeless question ... Read more »

Brusatte, S., Butler, R., Prieto-Márquez, A., & Norell, M. (2012) Dinosaur morphological diversity and the end-Cretaceous extinction. Nature Communications, 804. DOI: 10.1038/ncomms1815  

  • May 1, 2012
  • 07:20 AM
  • 716 views

Why do old books smell? [video]

by GrrlScientist in Maniraptora

SUMMARY: That old book smell brings back so many memories, but what creates that smell? ... Read more »

Strlič, M., Thomas, J., Trafela, T., Cséfalvayová, L., Kralj Cigić, I., Kolar, J., & Cassar, M. (2009) Material Degradomics: On the Smell of Old Books. . Analytical Chemistry, 81(20), 8617-8622. DOI: 10.1021/ac9016049  

  • February 29, 2012
  • 06:14 AM
  • 747 views

Stem cells put women on fertile ground [video]

by GrrlScientist in Maniraptora

SUMMARY: Using cutting-edge technologies and some imagination, a Harvard professor and his team find that ovaries in women of reproductive age contain stem cells that give rise to mature oocytes... Read more »

  • February 29, 2012
  • 04:34 AM
  • 1,080 views

Stem cells put women on fertile ground [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Using cutting-edge technologies and some imagination, a Harvard professor and his team find that ovaries in women of reproductive age contain stem cells that give rise to mature oocytes... Read more »

  • February 22, 2012
  • 05:18 AM
  • 655 views

Leaping lizards [video]

by GrrlScientist in Maniraptora

SUMMARY: Theropod dinosaurs used their long tails as counterbalances to stabilise rapid or irregular movements ... Read more »

Libby, T., Moore, T., Chang-Siu, E., Li, D., Cohen, D., Jusufi, A., & Full, R. (2012) Tail-assisted pitch control in lizards, robots and dinosaurs. Nature, 481(7380), 181-184. DOI: 10.1038/nature10710  

  • February 22, 2012
  • 04:28 AM
  • 1,118 views

Leaping lizards [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Theropod dinosaurs used their long tails as a counterbalance to stabilise rapid or irregular movements ... Read more »

Libby, T., Moore, T., Chang-Siu, E., Li, D., Cohen, D., Jusufi, A., & Full, R. (2012) Tail-assisted pitch control in lizards, robots and dinosaurs. Nature, 481(7380), 181-184. DOI: 10.1038/nature10710  

  • February 6, 2012
  • 04:00 AM
  • 1,054 views

17 and sudoku clues [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

17 is the minimum number of clues required to give a unique sudoku solution -- but how did mathematicians prove this? ... Read more »

Gary McGuire, Bastian Tugemann, & Gilles Civario. (2012) There is no 16-Clue Sudoku: Solving the Sudoku Minimum Number of Clues Problem. ArXiv. info:/arXiv:1201.0749v1

  • January 7, 2012
  • 05:12 AM
  • 1,205 views

Hamster power to help solve energy crisis? [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Children's pet hamsters can help solve the world's energy crisis! ... Read more »

  • January 5, 2012
  • 03:00 AM
  • 1,149 views

Indonesia's underwater masters of disguise [videos] | @GrrlScientist

by GrrlScientist in GrrlScientist

Meet the fish that mimics the octopus that mimics scary sea creatures... Read more »

  • December 23, 2011
  • 05:24 AM
  • 883 views

Hot? Or not? The economics of red-hot chili peppers

by GrrlScientist in Maniraptora

SUMMARY: Chilis that produce the hottest fruits grow best when they are given lots of water... Read more »

Haak, D., McGinnis, L., Levey, D., & Tewksbury, J. (2011) Why are not all chilies hot? A trade-off limits pungency. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2011.2091  

Tewksbury, J., Reagan, K., Machnicki, N., Carlo, T., Haak, D., Penaloza, A., & Levey, D. (2008) Evolutionary ecology of pungency in wild chilies. Proceedings of the National Academy of Sciences, 105(33), 11808-11811. DOI: 10.1073/pnas.0802691105  

  • December 22, 2011
  • 01:03 PM
  • 1,187 views

Hot? Or not? The economics of red hot chili peppers | @GrrlScientist

by GrrlScientist in GrrlScientist

Chilies that produce the hottest fruits grow best when they are given lots of water... Read more »

Haak, D., McGinnis, L., Levey, D., & Tewksbury, J. (2011) Why are not all chilies hot? A trade-off limits pungency. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2011.2091  

  • December 22, 2011
  • 03:46 AM
  • 777 views

The science behind Santa [video]

by GrrlScientist in Maniraptora

How does Santa visit billions of homes all around the globe in just one night? The last important scientific question in the world has been solved! ... Read more »

Billing, R. (2008) Harnessing the brane-deer. Nature, 456(7224), 1007-1008. DOI: 10.1038/4561007a  

  • December 22, 2011
  • 03:00 AM
  • 1,209 views

The science behind Santa [video] | GrrlScientist

by GrrlScientist in GrrlScientist

How does Santa visit billions of homes all around the globe in just one night? The last important scientific question in the world has been solved!... Read more »

Billing, R. (2008) Harnessing the brane-deer. Nature, 456(7224), 1007-1008. DOI: 10.1038/4561007a  

  • December 1, 2011
  • 01:52 PM
  • 970 views

The economics of tree swallow brood sex ratios

by GrrlScientist in Maniraptora

SUMMARY: Tree swallows reveal that brood sex ratios are an economic balancing act with far-reaching evolutionary consequences... Read more »

Renaud Baeta, Marc Bélisle, & Dany Garant. (2011) Importance of breeding season and maternal investment in studies of sex-ratio adjustment: a case study using tree swallows. Biology Letters. info:/10.1098/rsbl.2011.1009

Peter O. Dunn, Linda A. Whittingham, Jan T. Lifjeld, Raleigh J. Robertson, & Peter T. Boag. (1994) Effects of breeding density, synchrony, and experience on extrapair paternity in tree swallows. Behavioral Ecology, 5(2), 123-129. info:/10.1093/beheco/5.2.123

John P. McCarty. (2001) Variation in growth of nestling tree swallows across multiple temporal and spatial scales. Auk, 176-190. info:/10.1642/0004-8038(2001)118 [0176:VIGONT]2.0.CO;2)

  • December 1, 2011
  • 10:19 AM
  • 1,374 views

The economics of tree swallow brood sex ratios | @GrrlScientist

by GrrlScientist in GrrlScientist

Tree swallows reveal that brood sex ratios are an economic balancing act with far-reaching evolutionary consequences... Read more »

Renaud Baeta, Marc Bélisle, & Dany Garant. (2011) Importance of breeding season and maternal investment in studies of sex-ratio adjustment: a case study using tree swallows. Biology Letters. info:/10.1098/rsbl.2011.1009

Peter O. Dunn, Linda A. Whittingham, Jan T. Lifjeld, Raleigh J. Robertson, & Peter T. Boag. (1994) Effects of breeding density, synchrony, and experience on extrapair paternity in tree swallows. Behavioral Ecology, 5(2), 123-129. info:/10.1093/beheco/5.2.123

John P. McCarty. (2001) Variation in growth of nestling tree swallows across multiple temporal and spatial scales. Auk, 176-190. info:/10.1642/0004-8038(2001)118 [0176:VIGONT]2.0.CO;2)

  • December 1, 2011
  • 03:59 AM
  • 526 views

Let's talk about evolution

by GrrlScientist in Maniraptora

SUMMARY: Prominent female role models in science and science communication talk about evolution and its importance to science, medicine and society... Read more »

Jon D. Miller, Eugenie C. Scott, & Shinji Okamoto. (2006) Public Acceptance of Evolution. Science, 313(5788), 765-766. DOI: 10.1126/science.1126746  

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