Editing 2005 in science (section)

==Paleontology==
* January 13 – Chinese paleontologists announce the discovery of fossils of ''[[Repenomamus]] robustus'' and ''Repenomamus giganticus'', mammals that lived 130 million years ago. The fossil discoveries indicate that these mammals preyed on small dinosaurs.<ref>{{cite journal | last=Weil | first=Anne | title=Mammalian palaeobiology: Living large in the Cretaceous | journal=Nature | publisher=Springer Science and Business Media LLC | volume=433 | issue=7022 | date=2005-01-13 | issn=0028-0836 | doi=10.1038/433116b | pages=116–117| pmid=15650725 | bibcode=2005Natur.433..116W | s2cid=52869101 }}</ref>
* February 17 – Two Ethiopian fossil skulls originally found in 1967 by [[Richard Leakey]], Omo I and Omo II, are re-dated at 195,000 years old, making them the oldest ''[[Homo sapiens]]'' remains known.<ref>{{cite journal | last1=McDougall | first1=Ian | last2=Brown | first2=Francis H. | last3=Fleagle | first3=John G. | title=Stratigraphic placement and age of modern humans from Kibish, Ethiopia | journal=Nature | publisher=Springer Science and Business Media LLC | volume=433 | issue=7027 | year=2005 | issn=0028-0836 | doi=10.1038/nature03258 | pages=733–736| pmid=15716951 | bibcode=2005Natur.433..733M | s2cid=1454595 }}</ref>
* December 15 – European and Canadian researchers announce the dating of flint artefacts from Pakefield, Suffolk, UK to around 700,000 years ago, representing the earliest unequivocal evidence for human presence north of the Alps.<ref>{{cite journal | last1=Parfitt | first1=Simon A. | last2=Barendregt | first2=René W. | last3=Breda | first3=Marzia | last4=Candy | first4=Ian | last5=Collins | first5=Matthew J. | last6=Coope | first6=G. Russell | last7=Durbidge | first7=Paul | last8=Field | first8=Mike H. | last9=Lee | first9=Jonathan R. | last10=Lister | first10=Adrian M. | last11=Mutch | first11=Robert | last12=Penkman | first12=Kirsty E. H. | last13=Preece | first13=Richard C. | last14=Rose | first14=James | last15=Stringer | first15=Christopher B. | last16=Symmons | first16=Robert | last17=Whittaker | first17=John E. | last18=Wymer | first18=John J. | last19=Stuart | first19=Anthony J. |display-authors=5| title=The earliest record of human activity in northern Europe | journal=Nature | publisher=Springer Science and Business Media LLC | volume=438 | issue=7070 | year=2005 | issn=0028-0836 | doi=10.1038/nature04227 | pages=1008–1012| pmid=16355223 | bibcode=2005Natur.438.1008P | s2cid=4362294 }}</ref>