isotopes of nitrogen

Humans may have started feasting on fish about 40,000 years ago

July 7th, 2009 - 12:20 pm ICT by ANI
Washington, July 7 (ANI): A new study by an international team of researchers has suggested that fish may have become an important part of the year-round diet for early humans in China ... Read more...

Posted in Health Science |

Humans are disrupting the nitrogen cycle, say scientists

June 5th, 2009 - 2:18 pm ICT by ANI
Washington, June 5 (ANI): In a new research, scientists have determined that humans are disrupting the nitrogen cycle by altering the amount of nitrogen that is stored in the biosphere.The chief culprit ... Read more...

Posted in Health Science |

Industrial effluents boost Nile delta fish population

January 20th, 2009 - 12:51 pm ICT by IANS
Washington, Jan 20 (IANS) Many of the world's fisheries may be struggling to survive, but the coastal one off the Nile Delta has expanded phenomenally since the eighties. The expansion has been ... Read more...

Posted in World |

Kangaroo bones may solve 5,000 yr old Aussie population explosion mystery

September 26th, 2008 - 1:35 pm ICT by ANI
Canberra, September 26 (ANI): Scientists have said that using kangaroo bones, they could help solve the mystery behind the population explosion of the Aborigines in Australia some 5,000 years ago.Aborigines arrived ... Read more...

Posted in National |