Over
the past decade scientists have discovered that H2S is actually essential to a number of processes in the body, including controlling blood pressure and regulating metabolism.
However, in
the past decade scientists realized that exosomes play important roles in many biological functions through capsuling and delivering molecular messages in the form of nucleic acids and proteins from the donor cells to affect the functions of nearby or distant cells.
Farmers are also allowed to use FGD gypsum on their fields, and over
the past decade scientists have begun research projects in seven states examining how it affects crops and soils.
Over
the past decade scientists thought they had figured out how to protect humanity from the worst dangers of climate change.
Not exact matches
Over the
past decade, it has funded the right's assault on labor unions, climate
scientists, public schools, economic regulations, and the very premise of activist government.
«For the
past four
decades,
scientists have warned that the use of carrageenan in food is not safe,» the report reads.
is a call to defend life and freedom against this oppressive claws of corporate control,» stated Cristino Panerio, National Coordinator of the Magsasaka at Siyentipiko para sa Pag - unlad ng Agrikultura (MASIPAG), a local farmer -
scientist movement in the forefront of campaigns against golden rice commercialization in the
past decade.
In the
past few
decades,
scientists have discovered that the number and type of bacteria can have a profound impact on health (8, 9).
Measurements of dichloromethane in the atmosphere over the
past two
decades, provided by
scientists from the National Oceanic and Atmospheric Administration (NOAA) in the United States, were also analysed.
But in the
past few
decades,
scientists have found another theme to emphasize: climate change.
For the
past decade, the AAAS Science and Human Rights Coalition has been eliciting the perspectives of
scientists, engineers, and health professionals as to the meaning of the right to «enjoy the benefits of scientific progress and its applications» and associated obligations (Article 15, International Covenant on Economic, Social and Cultural Rights).
«Our results indicate that a wide range of POPs have been remobilized into the Arctic atmosphere over the
past two
decades as a result of climate change, confirming that Arctic warming could undermine global efforts to reduce environmental and human exposure to these toxic chemicals,» write the
scientists, whose analysis was published yesterday in the journal Nature Climate Change.
For four
decades scientists and doctors have been trying to solve this puzzle, and in the
past few years the answers have started to emerge.
For their study the
scientists evaluated data from six forest censuses conducted over the
past decades on Barro Colorado Island in the Panama Canal.
Yet in recent
decades, anthropogenic ocean noise levels have risen markedly — doubling every
decade for the
past 50 years, according to research by
scientists at Scripps Whale Acoustic Lab.
The
scientists have been collecting data for the
past decade.
Over the
past decade,
scientists have exploited this property in numerous optical devices without knowing the precise atomic structure of the particles they were using.
Over the
past decade, however,
scientists have begun to decipher how neurogenesis occurs and the anatomical location where neural stem cells are born and maintained inside the brain.
Many
scientists, including the authors of the RAND report, blame federal directives that, for the
past two
decades, have forbidden the Centers for Disease Control and Prevention from «advocating or promoting gun control» and slashed its funding.
For most of the
past few
decades,
scientists were looking for the wrong things.
In the
past decade, imaging studies have opened up the possibility that
scientists will soon understand the mysterious phenomenon and even harness it in clinical practice — unleashing the power of, well, nothing.
The shallow, salty seas spotted in 2004 evaporated from
scientists» view of early Mars within a few years, but even so, the
past decade's half - dozen martian missions have finally delivered.
Over the
past several
decades,
scientists have determined that measuring the soil concentrations of certain isotopes that form at a known rate permits direct quantification of soil production rates.
Scientists had known about the fungus Tortotubus protuberans from fossils collected over the
past three
decades.
Over the
past few
decades,
scientists have linked exposure to PCBs to a long list of health problems: immune suppression, thyroid gland damage, skin disorders, anemia, liver cancer and impaired reproduction.
In the
past few
decades, however, this view has come under attack, as
scientists and philosophers increasingly adopt a mechanistic view of the universe, in which physical laws govern our every move and choice.
«One of the real recognitions of the
past decade or two is that the answers to the challenges that we face are at the boundaries between the disciplines and that in fact much of the most exciting science is also taking place at the boundaries between the disciplines,» says David Blockstein, a senior
scientist with the National Council for Science and the Environment, a nongovernmental organization based in Washington, D.C., that promotes science - based environmental decision - making.
Scientists have observed the CO2 fertilization effect in natural ecosystems, including in a series of trials conducted over the
past couple
decades in outdoor forest plots.
Scientists have spent much of the
past three
decades hunting down genes linked to this inherited form of the disease.
There are signs, however, that the ocean's capacity to sequester atmospheric carbon dioxide has been decreasing over the
past few
decades, says climate
scientist Samuel Jaccard of ETH Zurich in Switzerland.
When the New Horizons probe flew
past Pluto's largest moon last year, it gave
scientists the best view of Charon they'll have for
decades.
Scientists have been giving us new views of the prehistoric world in the
past decade that hinge on the realization that «biomolecules» such as ancient DNA and collagen can survive for tens of thousands of years and give important information about long - dead plants, animals, and humans.
Far more common is that older
scientists stuck in postdocs with little job security, even a
decade or more
past their Ph.D. s.
«Pest resistance to biotech crops surging: A new global assessment helps
scientists explain why cases of pest resistance to genetically engineered crops increased by more than fivefold in the
past decade, yet some pests remain suppressed.»
In the
past decade,
scientists have watched protein and RNA molecules condensing into droplets, or membrane - free condensates, in many kinds of cells, from bacterial to human.
Over the
past few
decades, a small international clan of
scientists, alarmed by the sudden decline of corals, have created underwater nurseries aimed at «replanting» corals to buttress wild populations.
Over the
past decade,
scientists have gathered a wealth of new data via grids of sensors inserted into the top layers of the brain.
Over the
past decade, research into the impacts of rising CO2 on fish and shellfish species has increased dramatically, helping
scientists accurately predict the threat climate change poses ecosystems worldwide.
But in the
past several
decades, something has shifted in that balance of destruction and regeneration, and trees are not always returning as quickly as expected, forest
scientists say.
Scientists are still working to understand the causes of this change, as it takes close to a
decade to establish the pace of post-fire regeneration at any given site, and Western wildfires have been growing progressively more severe over the
past 25 years.
I've spent the
past decade building up academic credentials, doing all the things a
scientist needs to do to land a faculty appointment.
For the
past two
decades,
scientists using cladistics have claimed that dromaeosaurs were nonavian ancestors of birds, representing the best examples of how ground - dwelling dinosaurs supposedly evolved into birds.
Fisheries for scallops have grown dramatically over the
past decade, but
scientists have raised concerns over the damage to the seabed caused by the dredges and trawls normally used to catch them.
But
scientists say that the economic stimulus package moving quickly through the U.S. Congress provides so much support for research that Canadian
scientists once again will be tempted to cross the border, offsetting gains made over the
past decade as a result of faculty - recruitment programs.
They have receded at a rate of 45 metres per year over the
past two
decades, according to Australian
scientists, and one of the glaciers is likely to disappear altogether over the next few years.
With the proliferation of satellite - based communications that enable global positioning systems (GPS) as well as certain Internet, television and phone services in the
past few
decades, «we're more reliant on space technology now than we ever were before,» says APL
scientist and principal AMPERE investigator Brian Anderson.
«The language is clear — NASA has evaluated 2000 vehicle concepts over the
past decade, and the rocket
scientists and engineers have picked the design and are ready to proceed.
About 3 dozen taxonomists, informatics experts, ecologists, sociologists, and computer
scientists met this week at the New York Botanical Garden and decided that in the
past decade, technological improvements — primarily related to molecular tools and the digitization of collections (such as the Biodiversity Heritage Library)-- make such a major undertaking possible.
In the
past two
decades scientists have discovered a surprising amount about why placebos influence the mind and body and how we can enhance our responses to them.
In the
past several
decades,
scientists have discovered that the North — South distributions of certain plants often result from a single jump across the tropics, not as a result of gradual movements or events that occurred over a hundred million years ago.