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in 2009 for "revealing connections between biological evolution and Earth history in diverse groups of organisms", and was awarded the 2011 Penn State
Faculty Scholar Medal for Outstanding Achievement in the Life and Health Sciences. A Cuban butterfly
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Hedges has studied the relationships and timing of major groups in the tree of life using genomic data. This research has led to a number of discoveries including an early origin for the orders of placental mammals and modern birds, estimates of when
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Fry, Bryan G.; Vidal, Nicolas; Norman, Janette A.; Vonk, Freek J.; Scheib, Holger; Ramjan, S. F. Ryan; Kuruppu, Sanjaya; Fung, Kim; Hedges, S. Blair (February 2, 2006). "Early evolution of the venom system in lizards and snakes".
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Heckman, D. S.; Geiser, D. M.; Eidell, B. R.; Stauffer, R. L.; Kardos, N. L.; Hedges, S. B. (August 10, 2001). "Molecular evidence for the early colonization of land by fungi and plants".
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Stanhope, Michael J.; Waddell, Victor G.; Madsen, Ole; de Jong, Wilfried; Hedges, S. Blair; Cleven, Gregory C.; Kao, Diana; Springer, Mark S. (August 18, 1998).
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Hedges, S. B.; Parker, P. H.; Sibley, C. G.; Kumar, S. (May 16, 1996). "Continental breakup and the ordinal diversification of birds and mammals".
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for a phylogenetic tree scaled to time, co-founded the TimeTree database for exploring the time-scale of the tree of life, and co-edited the book
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Battistuzzi, Fabia U.; Hedges, S. Blair (February 1, 2009). "A major clade of prokaryotes with ancient adaptations to life on land".
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in 2015 to visualize the relationships over time of 50,000 species, and discovered that diversification and
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Hedges, S. Blair; Marin, Julie; Suleski, Michael; Paymer, Madeline; Kumar, Sudhir (April 20, 2017).
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Kumar, S.; Hedges, S. B. (April 30, 1998). "A molecular timescale for vertebrate evolution".
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and reptiles with genetic data and maintained a database of information on these species,
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Hedges, S. B.; Poling, L. L. (February 12, 1999). "A molecular phylogeny of reptiles".
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Proceedings of the
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works including 10 books and monographs. He was elected as a fellow of the
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36:) is Laura H. Carnell Professor of Science and director of the Center for
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Fellows of the
American Association for the Advancement of Science
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894:"Tree of Life Reveals Clock-Like Speciation and Diversification"
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first colonized land and its relevance for the planet, and the
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are both relatively constant through time and among groups.
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Estrada, Diaz, & Rodriguez 1997), and Cuban millipede (
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Hedges has a
Bachelor of Science undergraduate degree from
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Blair., Hedges, S.; Kumar, Sudhir (January 1, 2009).
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Vidal, Nicolas; Hedges, S. Blair (October 1, 2005).
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College of
Science and Technology, Temple University
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994:"Blair Hedges is saving Haiti's endangered frogs"
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219:Work by Hedges and his team in Haiti has defined
119:Perez-Asso 1998) have been named in his honor.
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877:: CS1 maint: multiple names: authors list (
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332:"Blair Hedges awarded Faculty Scholar Medal"
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1046:"In Art Prints, Clues to Beetles in Europe"
979:"Hedges Lab - New York Times news articles"
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88:. He is also a founding member of the NASA
183:of reptiles and amphibians, including the
107:Schwartz & Johnson 1992), Cuban frog (
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152:. Hedges and his team produced a spiral
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167:where he has studied the evolution and
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961:"Under Cuban Ferns, A Very Small Frog"
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223:leading to the establishment of three
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1044:Bhanoo, Sindya (November 26, 2012).
959:Fountain, Henry (December 3, 1996).
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992:Mihelich, Peggy (January 4, 2012).
281:"Hedges Lab - Evolutionary Biology"
247:, an environmental protection NGO.
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1018:O'Connell, Frank (July 25, 2006).
92:Center. He has published over 300
48:and leads conservation efforts in
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358:"AAAS Members Elected as Fellows"
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16:Professor of evolutionary biology
306:"Meet CST'S New Faculty Members"
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144:mammals. He has coined the word
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211:have described his research.
52:and elsewhere. He co-founded
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239:. Together with Haitian CEO
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689:10.1016/j.crvi.2005.10.001
205:). Twelve articles in the
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677:Comptes Rendus Biologies
255:Hedges is interested in
231:program to conserve ten
189:Eleutherodactylus iberia
44:where he researches the
1112:American herpetologists
1097:Evolutionary biologists
745:10.1073/pnas.95.17.9967
583:10.1126/science.1061457
225:national parks in Haiti
203:Tetracheilostoma carlae
194:Sphaerodactylus ariasae
185:Monte Iberia dwarf frog
66:George Mason University
227:. He also initiated a
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920:10.1093/molbev/msv037
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847:The timetree of life
683:(10–11): 1000–1008.
245:Haiti National Trust
199:Barbados threadsnake
116:Amphelictogon blairi
54:Haiti National Trust
30:Stephen Blair Hedges
808:10.1038/nature04328
800:2006Natur.439..584F
736:1998PNAS...95.9967S
634:1999Sci...283..998B
577:(5532): 1129–1133.
481:1998Natur.392..917K
422:1996Natur.381..226H
364:. December 18, 2009
998:AAAS MemberCentral
965:The New York Times
628:(5404): 998–1001.
233:endangered species
191:), Jaragua gecko (
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794:(7076): 584–588.
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388:bio.psu.edu
197:), and the
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72:and PhD in
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263:References
173:amphibians
158:speciation
134:eukaryotes
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32:(known as
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177:Caribherp
165:Caribbean
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123:Research
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50:Haiti
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