Alexandr Yurtchenko / Alamy
One billion years from now, Earth’s atmosphere will contain very little oxygen, making it uninhabitable for complex aerobic life.
Today, oxygen makes up around 21 per cent of Earth’s atmosphere. Its oxygen-rich nature is ideal for large and complex organisms, like humans, that require the gas to survive. But early in Earth’s history, oxygen levels were much lower – and they are likely to be low again in the distant future.
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Kazumi Ozaki at Toho University in Funabashi, Japan, and Chris Reinhard at the Georgia Institute of Technology in Atlanta modelled Earth’s climatic, biological and geological systems to predict how atmospheric conditions on Earth will change.
Hispanics are celebrating Black History Month Here s why - En Español
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Cayey desarrolla centro para la práctica del volleyball
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Yarimar Bonilla, Interim Director of El Centro (Hunter College/CUNY)
Dr. Yarimar Bonilla has been named interim director of CENTRO Centro de Estudios Puertorriqueños [Center for Puerto Rican Studies] at Hunter College/CUNY. A search will be soon underway for permanent director. [For more information, see CENTRO.]
Hunter College President Jennifer J. Raab today announced the appointment of Professor Yarimar Bonilla as Interim Director of El Centro, The Center for Puerto Rican Studies at Hunter/CUNY (el Centro de Estudios Puertorriqueños). Dr. Bonilla, Professor of Africana & Puerto Rican/Latino Studies in the Anthropology Department, will be the first woman to head Centro in its 48-year-history. She will assume the post following the retirement of longtime director Dr. Edwin Meléndez, which takes effect June 30. Hunter will conduct a national search with a diverse and inclusive search committee for a permanent director for El Centro.
En alerta por proyectos de terapias de conversión y discrimen por orientación sexual
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