Tag: Oxygen

Planets That Contain Oxygen Don't Necessarily Support Life

Scientists simulated the different atmosphere of exoplanets that are common within the Milky Way Galaxy to prove that oxygen is not a telltale sign that life also existed there. Some planets might have oxygen, but no life.

Space December 18, 2018

Martian Brine May Have Enough Oxygen To Support Microbes

A new study found that the salty water detected by radar scans might hold enough oxygen to sustain microbial or even basic animal life on Mars. The salty liquid water, however, can only be found under the surface of the red planet.

Space October 23, 2018

Alien Planets Without Oxygen Could Still Be Home To Extraterrestrial Life

Scientists should not quickly rule out planets without oxygen in the quest for alien life. Researchers said these no-oxygen worlds could in fact be filled with microbial life.

Space July 12, 2018

Here's What Life On Other Planets Might Look Like According To Scientists

NexSS scientists have compiled strategies that can help distinguish living planets. Different biosignatures need to be considered since other worlds may have life forms that look different from those seen on Earth.

Space July 5, 2018

Ancient Volcanic Eruptions Hint How Climate Change May Lead To Mass Extinction Events

The extinction of marine organisms in the Early Jurassic Period occurred after powerful volcanic eruptions sent large amounts of carbon dioxide into the atmosphere. What does this tell about modern-day climate change?

Earth/Environment June 14, 2018

Too Much Carbon Dioxide Caused Mass Extinction of Ocean Organisms 182 Million Years Ago

Could rising carbon dioxide levels drain the world’s oceans of oxygen and kill off all marine life? It certainly did so 182 million years ago, scientists found.

Earth/Environment June 12, 2018

2-Billion-Year-Old Salt Rock Sheds Light On Rise Of Oxygen In Earth's Atmosphere During The Great Oxidation Event

Was the escalation of oxygen in the Earth's atmosphere a gradual or rapid process? Crystallized salt rocks extracted from a deep hole in Russia shed light on how oxygen appeared during the Great Oxidation Event 2.3 billion years ago.

Earth/Environment March 25, 2018

Oxygen Therapy Reverses Brain Damage In Drowned Toddler

In what is known as the first case of brain damage reversal, doctors used normobaric oxygen therapy and hyperbaric oxygen therapy to treat a toddler who drowned and suffered brain damage. Here’s how the treatment works.

Medicine July 20, 2017

How Come Sharks Are Washing Up Dead On San Francisco Bay?

Thousands of leopard sharks have died in San Francisco Bay and have washed up on shores. According to experts, the possible cause of this mass mortality could be poisoning from chemical waste dumped into the bay from the drains.

Animals May 7, 2017

How NASA’s Inflatable Greenhouse Could Nourish Astronauts On Mars, Other Planets

To attain in-situ resource utilization in space missions and become self-reliant in food production, NASA has come up with an inflatable greenhouse deployable in space. This will address the food needs of astronauts on Mars or moon missions.

Space May 2, 2017

Why Have Earth's Oceans Lost 2 Percent Of Their Oxygen?

Past studies have shown that the world's oceans continue to lose their oxygen concentration over time. Now, a new report successfully quantifies the extent to which oceans are losing their oxygen levels.

Earth/Environment February 16, 2017

Moon Has Been Getting Oxygen From Plants On Earth For 2.4 Billion Years

The moon has been receiving oxygen produced during photosynthesis of plants on Earth over the past 2.4 billion years. What are the evidences that prove this?

Space January 31, 2017

World's Biggest Diamonds Hold Clue About Composition Of Earth's Mantle

Minerals and metals trapped inside the world's biggest and most valuable diamonds reveal the composition of our planet's mantle. What do the inclusions in the rare gemstones tell about the deep Earth?

Earth/Environment December 17, 2016

Some Early Life Forms May Have Existed Fine Without Oxygen, Says Study

According to new research, life forms have existed on Earth prior to the formation of oxygen in the atmosphere. This was established on the basis of fossils of bacteria belonging to the geologic time known as the Neoarchean Eon that is more than 2.5 billion years ago.

Earth/Environment December 1, 2016

Suffering From Jet Lag? A Blast Of Low-Oxygen Air Might Just Be What You Need

Frequent travelers experience jet lag a lot and it’s never pleasant. According to researchers, getting your circadian rhythm on track again and getting proper sleep may just be a blast of low-oxygen air away.

Healthy Living/Wellness October 21, 2016

How Did Animals Evolve Millions Of Years Ago? They Have High Oxygen Levels To Thank For That

A new study has said that abundant oxygen levels at the oceans facilitated the rise of complex organisms such as algae and other vertebrates. This came after a lull of 3 billion years of anoxic oceans.

Ancient September 26, 2016

Rocky, Venus-Like Exoplanet Might Contain Oxygen In Its Atmosphere

A rocky, Venus-like exoplanet first reported in 2015 may potentially contain signs of oxygen in its atmosphere. However, the potential presence of oxygen does not mean that the exoplanet is habitable.

Space August 22, 2016

A Likely Oxygen-Rich Past: Is Mars More Earth-Like Than We Think?

New data sent back from the NASA Curiosity rover showed that manganese oxides on Mars may be clues of a possible once oxygen-rich Martian atmosphere. Is the Red Planet was once more Earth-like than we thought?

Space June 29, 2016

ALMA Detects Most Distant Oxygen Galaxy Ever Seen

The most distant oxygen ever seen in the visible universe was recorded in an ancient galaxy. What can this finding tell us about the earliest epoch of the Cosmos?

Space June 17, 2016

Ancient Space Dust Contain Hints Of Oxygen In Earth's Early Atmosphere

Ancient space dust revealed new twists in the chemical makeup of our planet's early upper atmosphere. The analysis suggested that it contained about the same amount of oxygen then as it does at present, about 20 percent.

Earth/Environment May 12, 2016

SOFIA Flying Observatory Detects Atomic Oxygen In Upper Layers Of Mars Atmosphere

Atomic oxygen was detected in the upper layer of the Red Planet's atmosphere for the first time in 40 years. How did the flying observatory SOFIA make this possible?

Space May 10, 2016

Oxygen Deprivation In Oceans Could Be Noticeable By 2030s: New Study

Oxygen levels in the global ocean are dropping due to climate change, and this effect should be noticeable in about 20 years, researchers state. What will be the effect of this change in waters around the world?

Earth/Environment April 28, 2016

Watch Out, Superman, Scientists Almost Got The Formula To Create Kryptonite

Kryptonite is fast becoming a reality with theoretical chemists discovering a way to synthesize the first binary compound of krypton and oxygen. But Superman can rest easy for now, according to researchers.

Animals March 4, 2016

Oxygen Level Suitable For Explosion Of Animal Life On Earth Took 100 Million Years To Build Up

A new study suggested that the oxygen on the planet took about 100 million years to build up before reaching a level suitable to support life. This new study debunked previously accepted theories in the scientific community.

Earth/Environment December 21, 2015

Cancer Breakthrough: New Oxygen Test Can Spot Most Dangerous Tumors Before They Spread

UK researchers developed oxygen-enhanced MRI to determine oxygen deprivation sites in tumors. Better imaging is estimated to help lead to more planned and effective cancer treatments such as radiotherapy.

Life December 10, 2015

Ocean 'Dead Zones' Linked To Past Warming, Study Finds

The increasing waters in oceans caused by climate change may be linked to emergence of 'dead zones' in the Pacific Ocean. Researchers point out that two major abrupt water warming events that happened thousands of years ago caused hypoxia and low oxygen.

Earth/Environment November 23, 2015

Rosetta Scientists Find Oxygen On Comet 67P: How This Gas Came To Be Formed On The Space Rock

The European Space Agency's Rosetta spacecraft has detected traces of molecular oxygen on the 67P/Churyumov-Gerasimenko comet. Scientists are now trying to determine how the gas was formed on the comet when earlier theories suggest that it should have been annihilated during the formation of the solar system.

Space October 29, 2015

New Evidence Suggests Oxygen-Producing Life Forms Appeared Much Earlier Than Previous Estimates

According to a study, oxygen producers like cyanobacteria were already present in early Earth some millions of years earlier than previously estimated by scientists.

September 10, 2015

Here's Why You Need To Send Big Thanks To The Tiny Plankton: Half Of The Oxygen You Breathe

Many are well aware that plants produce oxygen. However, oxygen can also come from the ocean thanks to plankton communities thriving all over the world.

Animals May 22, 2015

Need Oxygen On Mars? Get It From Bacteria!

Bacteria and algae could be used to produce oxygen and other resources needed to keep humans alive on Mars. How would such a plan work?

Space May 14, 2015

When Did Water Start To Exist In The Universe? Here's The Explanation Of Experts

Experts from the Harvard-Smithsonian Center for Astrophysics believe water vapor possibly appeared in the universe a billion years after the Big Bang.

Space April 29, 2015

Scientists Develop Electrocatalysts That Could Aid Long-Term Space Exploration

One of the greatest challenges for long-term space exploration converting carbon dioxide to oxygen. However, a team of scientists recently developed a new system for that by using silver electrocatalysts.

Space February 23, 2015

Why was animal evolution so delayed? Earth was low on oxygen

New research reveals that early Earth may have had less oxygen than originally thought. This could be the big reason why there is a billion-year gap between the introduction of simple life and the development of complex animal life.

Animals November 3, 2014

Low oxygen level prolonged evolution of animals on Earth

New data shows a link between oxygen and the existence of animals. It was found that a certain level of oxygen was needed for animal life to flourish.

Earth/Environment November 1, 2014

Oxygen formation in one new step: Study reveals secret of lifeless Earth

Oxygen may have been formed in the atmosphere of the early Earth, due to a lack of oxygen, a new study reveals.

Animals October 4, 2014

Sounds like alien technology but these man-made crystals can absorb, release oxygen just like hemoglobin

A new salt substance has been synthesized that can suck up all the oxygen in a room with just one spoonful.

Geek October 3, 2014

Photosynthesis caught in action with latest X-ray flashlight

Photosynthesis has been seen in action for the first time, which could help researchers develop a new generation of fuels.

Animals July 13, 2014

Genetic mutation in Tibetans helps them thrive in high altitudes

Researchers from UC Berkeley analyzed and compared genome of Tibetans to genome of Denisovans, close relatives of Neanderthals, and found nearly identical match of gene mutation for surviving extremely high altitudes.

Life July 4, 2014

Space bling: White dwarf star may have crystallized into super-massive diamond

A diamond in space, the size of the Earth, has been discovered 870 light years from Earth, using a system of radio telescopes.

Space June 24, 2014

Moon was born when Earth and Theia smooched 4.5 billion years ago

Apollo rocks show a slightly different composition to similar objects on Earth. Lending an evidence of an impact 4.5 billion years ago between the Earth and a Mars-sized body called Theia.

Space June 6, 2014

Our ancestor was a sponge. No, really

Sponges are one of the most primitive animals on Earth. So, how did they lead to us? Once considered merely a dish washing tool, scientists now believe these animals helped oxygenate the planet.

Animals March 12, 2014

Photosynthesis protein developed long before oxygen became available

Cyanobacteria living in oxygen-poor environments near underwater volcanoes and thermal vents reveal secrets of how their distant ancestors carried out respiration. Surprisingly, they used a protein essential for photosynthesis long before oxygen became available.

Animals February 10, 2014

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