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Mars had oxygen-rich atmosphere before Earth, say scientists

Examination of meteorites and rocks on planet suggests oxygen was affecting Martian surface four billion years ago

Sleep deprivation results in a deterioration of concentration, memory and general cognitive functioning. Photograph: Getty Images Seeking the science that lurks deep in our sleep
  • Science
  • Paul O'Donoghue
  • June 13, 2013, 01:00

We spend a third of our lives behind closed eyes. All sorts of magnificent and scary things take place there

Fergus McAuliffe, winner of FameLab 2013. Photograph: Anna Lythgoe Freezing frog breaks the ice for Famelab winner

The remains of a Bronze Age body found in Collinstown, Co Westmeath. One geneticist believes Irish Bronze Age farmers were all but wiped out by an Iberian invasion. Photograph: Molloy Photography Is distinctive DNA marker proof of ancient genocide?

A controversial theory holds invaders from Iberia may have massacred much of Ireland’s male population

DNA analysis of Italian grapes has highlighted particular genes that could be used to improve berry and wine quality, scientists say. Photograph: Fulvio Roiter Genes could be used to improve wine - scientists find
  • Science
  • Jeff Harte
  • June 7, 2013, 15:00

Certain DNA sequences could identify grapevines more suited to climate change

Professor Kingston Mills in his lab at Trinity College Dublin.Photograph: David Sleator/The Irish Times Vegetables protect against inflammatory diseases, TCD study finds
  • Science
  • Jeff Harte
  • June 7, 2013, 14:52

Natural sources of vitamin A could reduce IBDs that cause damage

Respectful gannets do not overstep their boundaries
  • Science
  • Jeff Harte
  • June 7, 2013, 01:00

No need to battle to protect territory

A 600-year-old body found by archaeologists excavating the crannóg site at Drumclay in Co Fermanagh. Photograph: Department of the Environment/PA Wire Hoard of artefacts from Enniskillen crannóg go on display

Ancient human body, medieval board game and knives were found in wooden homes

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Mars had oxygen-rich atmosphere before Earth, say scientists

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Also in Science

Mars had oxygen-rich atmosphere before Earth, say scientists
Sleep deprivation results in a deterioration of concentration, memory and general cognitive functioning. Photograph: Getty Images Seeking the science that lurks deep in our sleep
Fergus McAuliffe, winner of FameLab 2013. Photograph: Anna Lythgoe Freezing frog breaks the ice for Famelab winner
The remains of a Bronze Age body found in Collinstown, Co Westmeath. One geneticist believes Irish Bronze Age farmers were all but wiped out by an Iberian invasion. Photograph: Molloy Photography Is distinctive DNA marker proof of ancient genocide?
DNA analysis of Italian grapes has highlighted particular genes that could be used to improve berry and wine quality, scientists say. Photograph: Fulvio Roiter Genes could be used to improve wine - scientists find

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