Sentences with phrase «ancient impacts on»

A third theory holds that the crater chains are tied to ancient impacts on Mars.

The researchers think volcanic lightning or the heat of ancient impacts on Mars» surface were responsible for nitrogen fixation on the Red Planet.

Not exact matches

Knowing that impact glass can preserve ancient signs of life — and now knowing that such deposits exist on the Martian surface today — opens a potential new strategy in the search for ancient Martian life, the researchers say.

Over the last few years, several research groups have shown that, here on Earth, ancient biosignatures can be preserved in impact glass.

«Ancient meteorite impact sparked long - lived volcanic eruptions on Earth.»

Archaeologists have found clever ways to uncover ancient humans» impact on today's jungles, from ancient collagen in bones to laser scanning by aircraft.

«The ancient iconic symbolism and cultural impact of the olive tree in Europe and the Mediterranean gives this disease an impact I haven't experienced with grapes, citrus and other crops that were hit suddenly with Xylella,» he told Scientific American on Skype.

Over recent years there has been a surge in their popularity, but whether consuming ancient grains, or how they are cultivated (ie, organic or conventional methods), has an impact on risk factors for CVD is unknown.

Using an interdisciplinary approach that combined evidence from climate modelling of large 20th - century eruptions, annual measurements of Nile summer flood heights from the Islamic Nilometer — the longest - known human record of environmental variability — between 622 and 1902, as well as descriptions of Nile flood quality in ancient papyri and inscriptions from the Ptolemaic era, the authors show how large volcanic eruptions impacted on Nile river flow, reducing the height of the agriculturally - critical summer flood.

A new study linking paleoclimatology — the reconstruction of past global climates — with historical analysis by researchers at Yale and other institutions shows a link between environmental stress and its impact on the economy, political stability, and war - fighting capacity of ancient Egypt.

Ancient impact craters on Mars were probably also home to hydrothermal activity, making them good places to search for signs of life, the team reports online February 19 in Geochimica et Cosmochimica Acta.

A new study of impact marks on the bones of ancient prey shows that such sophisticated killing techniques go back at least 90,000 years ago in Africa and offers a new method of determining how prehistoric hunters made their kills.

Other researchers have used indirect methods to study the use of projectiles, such as analyzing impact fractures on ancient stone points or identifying traces left by hafting on the points.

The results of Schaller, Fung and his team will prompt further investigations into the possible influence of an impact event on the global environmental change that characterized this notable warming period in Earth's ancient history.

«Ancient marine algae provides clues of climate change impact on today's microscopic ocean organisms.»

Although not readily visible to the casual observer on Andros Island amid an abundance of natural resources including a wide range of beautiful flora and fauna species, fresh water springs, dense woodlands with chestnut and poplar trees along with a preserved cultural identity including the presence of ancient water mills surrounded by an azure blue sea, there are nevertheless some natural threats and threats from anthropogenic activities associated with the island's continuing growth that adversely impact the conservation status of the project's targeted species.

Molten glass created in impacts on Mars could have captured and preserved signs of ancient life on the Red Planet as it cooled, researchers suggest.

The findings may shed light on the environmental conditions at the time of impact and may also be a good starting point to find signs of ancient life on Mars.

Studying the number of impact craters to calculate the age of these regions on the surface, scientists estimated that the planet's magnetic field is very ancient — at least 3.7 billion to 3.9 billion years old.

However, if the measurements of the ancient ratios from SAM don't match up, this suggests that we may have to look at other ways the atmosphere could have been lost, such as giant impacts from asteroids,» says Mahaffy, who is Principal Investigator for SAM and Instrument Lead for the Neutral Gas and Ion Mass Spectrometer instrument on MAVEN.

Just two years ago a group had studied the likely timing of impacts on the early Earth and they suggested that these impacts might explain the ages of the ancient zircons.»

Everything in McEwan's script is basically buying time, shuffling ancient history around before the main event — attempted consummation — which has a devastating impact on the couple's future.

All in all, the film is plenty conventional, even in a portrayal of Ancient Rome that is about as thin as a lot of the characterization, and as contrived as the melodramatics which slow down the impact of momentum almost as much as dull and draggy spells, thus making for a script whose shortcomings are challenged well enough by a powerful score, immersively beautiful visual style, solid direction, and strong lead acting for Henry Koster's «The Robe» to stand as an adequately rewarding and very intriguing study on the impact Christ had even on those who brought about his demise.

https://letgirlslearn.peacecorps.gov/ FOR SCHOOLS FOR GIRLS AND OTHER EDUCATIONAL PROGRAMMES SPECIFICALLY FOR GIRLS Let Girls Learn STEM: Technology From Ancient Technology to the Technology of the Future Goal: Students will learn that technologies have been developed throughout history and that ancient technologies influenced present ones Objective: Students will learn about ancient technologies, how they created present technologies, the impact of technology on humans and how we live, and develop their own 22nd century technology design and proAncient Technology to the Technology of the Future Goal: Students will learn that technologies have been developed throughout history and that ancient technologies influenced present ones Objective: Students will learn about ancient technologies, how they created present technologies, the impact of technology on humans and how we live, and develop their own 22nd century technology design and proancient technologies influenced present ones Objective: Students will learn about ancient technologies, how they created present technologies, the impact of technology on humans and how we live, and develop their own 22nd century technology design and proancient technologies, how they created present technologies, the impact of technology on humans and how we live, and develop their own 22nd century technology design and prototype.

It introduces them to: - The term «globalisation» - The spread of artwork from ancient civilizations such as the Romans - The impact of trade along the Silk Road - The impact of colonialism on the spread of artwork and art techniques - A comparison of very local artists such as John Constable with modern global artists such as Peter Fischli and David Weiss.

On recent travels to Guatemala's Maya ruin of Tikal and to the Maya ruins of Chichen Itza, Coba and Tulum in Mexico, Meg Pier was impacted by seeing fresh paths being cleared for ancient archeological ruins — realizing how progress in developing sustainable tourism can make a real and meaningful difference in local communities.

It turns out that Omega Force's rendition of Ancient China might be too big and winds up having a negative impact on everything you can do in it.

It should be noted that Sundered features multiple endings — the player's decisions to resist or embrace the corrupting influence of ancient eldritch powers throughout the game will have a crucial impact on this final battle.

Penck's signature pictographic style, which features glyphlike stick men and other motifs recalling cave art or ancient murals, came to have a distinct impact on younger American artists such as Keith Haring and Jean - Michel Basquiat.

Azzawi started his artistic career in 1964, after graduating from the Institute of Fine Arts in Baghdad and completing a degree in archaeology from Baghdad University in 1962; his studies of ancient civilizations and Iraqi heritage have had a profound impact and continued impact on his art.

We talked about ancient Chinese landscape paintings which were created in one go, and Belag mentioned that a visit to Kyoto's Zen gardens last year had had a big impact on her work.

Henry Abercrombie described the exhibition's impact on Flanagan's thinking and approach to sculpture, where the sheer tactile physicality of the ancient modeled horses created an aura and majesty.

It has been nearly five months since An Martel and colleagues published a paper on their alarming discovery of a devastating fungal disease, Batrachochytrium salamandrivorans (Bsal), with ancient origins in Asia and, thanks to global trade, fast - spreading impacts in Europe.

However, evidence for societal impacts are tied to drought on ancient civilisations is much stronger — the ancient «Curse of Akkad» describing the droughts affecting the Akkadian Empire; the Mayan collapse etc. — and this is well brought out in the text.

The lake is an ancient meteorite impact crater, making its levels very dependent on rainfall.

Humans, being late - comers to the scene, obviously had no impact on ancient historical fluctuations, which data shows to be as extreme or more extreme than any change in recent history.

This paper tests whether one or both of these seemingly competing perspectives can be empirically supported through an examination of the diachronic impact of climate - related disasters on ancient societies.

But by asking if we could «see» truly ancient industrial civilizations, we were forced to ask about the generic kinds of impacts any civilization might have on a planet.

Syphilis is an ancient, curable but serious sexually transmitted infection (STI) with devastating impacts on the unborn baby and dire cardiovascular and neurological consequences for up to one third of untreated adults.

The healing force of music has been known since ancient times and studies showed the positive impact of music on mental health problems.

Quoting an ancient proverb — «We do not inherit the Earth from our ancestors, we borrow it from our children» — Heider pointed out that sustainability is not simply a smart business initiative, it is the right course of action that will have far - reaching impact on society as a whole.