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¿Una señal de materia oscura en rayos X?

Investigación y Ciencia - fai 21 horas 33 min

Observan una línea espectral de origen desconocido en la galaxia de Andrómeda y en varios cúmulos de galaxias.

Categorías: Ciencia

For sale: “Your name here” in a prestigious science journal

Nature - Ven, 12/19/2014 - 22:21

An investigation into some scientific papers finds worrying irregularities.

Nature News doi: 10.1038/nature.2014.16635

Categorías: Ciencia

Japanese scientist resigns as 'STAP' stem-cell method fails

Nature - Ven, 12/19/2014 - 19:20

Haruko Obokata caused a sensation earlier this year with papers, now discredited, that claimed a simple method for creating stem cells.

Nature News doi: 10.1038/nature.2014.16631

Categorías: Ciencia

Satellite maps global carbon-dioxide levels

Nature - Ven, 12/19/2014 - 01:14

NASA's Orbiting Carbon Observatory-2 overcomes design flaw discovered after launch.

Nature News doi: 10.1038/nature.2014.16615

Categorías: Ciencia

La dieta que cuida del planeta

Investigación y Ciencia - Ven, 12/19/2014 - 00:00

Una alimentación global basada en frutas, verduras y legumbres beneficiaría a la salud humana y ambiental.

Categorías: Ciencia

How do you test an Ebola vaccine?

Nature - Xov, 12/18/2014 - 22:13

Scientists in West Africa are racing to determine what immunization strategies could be most effective to contain the epidemic.

Nature News doi: 10.1038/nature.2014.16579

Categorías: Ciencia

European court clears way for stem-cell patents

Nature - Xov, 12/18/2014 - 22:13

A ruling from the European Court of Justice lifts 2011 ban on patenting embryonic stem cells made from unfertilized eggs.

Nature News doi: 10.1038/nature.2014.16610

Categorías: Ciencia

Books & Arts of 2014

Nature - Xov, 12/18/2014 - 22:13

Our top 10 picks of Books & Arts coverage of the year.

Nature News doi: 10.1038/nature.2014.16616

Categorías: Ciencia

Ebola survivors fight prejudice

Nature - Xov, 12/18/2014 - 16:11

Organizations seek to help patients reintegrate into society after recovering from the virus.

Nature News doi: 10.1038/nature.2014.16561

Categorías: Ciencia

Still no stem cells via easy 'STAP' path

Nature - Xov, 12/18/2014 - 16:11

Japanese researcher's renewed attempts to induce pluripotency by putting cells under stress come up empty.

Nature News doi: 10.1038/nature.2014.16606

Categorías: Ciencia

UK releases world's largest university assessment

Nature - Xov, 12/18/2014 - 04:07

Government reveals ratings that will guide spending of £2 billion — and announces overall science strategy.

Nature News doi: 10.1038/nature.2014.16587

Categorías: Ciencia

Predecir la pesca ilegal

Investigación y Ciencia - Xov, 12/18/2014 - 00:00

Desarrollan un sistema para saber cuándo y dónde aparecerán los pescadores ilegales en zonas protegidas.

Categorías: Ciencia

365 days: 2014 in science

Nature - Mér, 12/17/2014 - 22:06

Comets, stem cells and cosmic dust are among the year's top stories.

Nature 516 300 doi: 10.1038/516300a

Categorías: Ciencia

365 days: Images of the year

Nature - Mér, 12/17/2014 - 22:06

Eruptions, comets and a see-through mouse all captured the imagination in 2014.

Nature 516 304 doi: 10.1038/516304a

Categorías: Ciencia

365 days: Nature's 10

Nature - Mér, 12/17/2014 - 22:06

Ten people who mattered this year.

Nature 516 311 doi: 10.1038/516311a

Categorías: Ciencia

Parasite test shows where validation studies can go wrong

Nature - Mér, 12/17/2014 - 22:06

First report from Reproducibility Initiative highlights importance of publishing details of experimental methods.

Nature News doi: 10.1038/nature.2014.16527

Categorías: Ciencia

365 days: Nature’s 2014 quiz

Nature - Mér, 12/17/2014 - 22:06

Test your knowledge of the year in science.

Nature News doi: 10.1038/nature.2014.16555

Categorías: Ciencia

Earth's deep crust could support widespread life

Nature - Mér, 12/17/2014 - 22:06

Discovery of hydrogen-rich waters hints at unexplored microbial ecosystems.

Nature News doi: 10.1038/nature.2014.16575

Categorías: Ciencia

Comet lander's location still eludes scientists

Nature - Mér, 12/17/2014 - 22:06

Search intensifies as researchers try to determine if Philae can recharge its batteries.

Nature News doi: 10.1038/nature.2014.16576

Categorías: Ciencia

Seven days: 12–18 December 2014

Nature - Mér, 12/17/2014 - 19:05

The week in science: Activists harm Nazca lines; Large Hadron Collider heads towards reboot; and Russia promises nuclear reactors for India.

Nature 516 292 doi: 10.1038/516292a

Categorías: Ciencia

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