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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.
Updated: 3 years 1 month ago

Mammals in the time of dinosaurs held each other back

May 17 2021 - 00:05
Scientists discover that dinosaurs were not the main competition for mammals during the time of the dinosaurs, challenging previously held ideas about evolution.
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Warnings on the dangers of screen time are ill founded -- New study

May 17 2021 - 00:05
University researchers have carried out the largest systematic review and meta-analysis to date of how people's perceptions of their screen time compare with what they do in practice, finding estimates of usage were only accurate in about five per cent of studies.
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'Sticky' speech and other evocative words may improve language

May 17 2021 - 00:05
A new study published in the research journal Cognitive Science finds that iconicity in parents' speech helps children learn new words
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Comprehensive Mount Sinai study shows direct evidence that COVID-19 can infect cells in eye

May 17 2021 - 00:05
Study Has Implications for Preventive Measures to Slow Spread of Virus
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Discovery of flowering gene in cacao may lead to accelerated breeding strategies

May 17 2021 - 00:05
For the first time, Penn State researchers have identified a gene that controls flowering in cacao, a discovery that may help accelerate breeding efforts aimed at improving the disease-ridden plant, they suggested.
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Additional data, feedback on hospital care did not improve heart failure outcomes

May 17 2021 - 00:05
A program designed to improve hospital care for patients with heart failure, the leading cause of hospitalization among adults over age 65, did not bring additional benefits beyond existing hospital quality improvement programs in a randomized controlled trial presented at the American College of Cardiology's 70th Annual Scientific Session.
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Shortcut for dendritic cells

May 17 2021 - 00:05
During an inflammatory response, things need to happen quickly: ETH Zurich researchers have recently discovered that certain immune cells that function as security guards can use a shortcut to get from the tissue to lymph nodes.
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Researchers develop algorithm to see inside materials with subatomic particles

May 17 2021 - 00:05
The University of Kent's School of Physical Sciences, in collaboration with the Science and Technology Facilities Council (STFC) and the Universities of Cardiff, Durham and Leeds, have developed an algorithm to train computers to analyse signals from subatomic particles embedded in advanced electronic materials.
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Lipid droplets help protect kidney cells from damage

May 17 2021 - 00:05
Researchers at the Francis Crick Institute have found out how microscopic structures called lipid droplets may help to prevent a high-fat diet causing kidney damage. The work in fruit flies, published in PLoS Biology opens up a new research avenue for developing better treatments for chronic kidney disease.
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Sotagliflozin shows benefit for difficult-to-treat form of heart failure

May 17 2021 - 00:05
Patients with both diabetes and heart failure who were treated with sotagliflozin, a novel investigational drug for diabetes, for a median of nine to 16 months experienced reductions of 22% to 43% in the risk of death or worsening heart failure compared with similar patients who were treated with a placebo, according to research presented at the American College of Cardiology's 70th Annual Scientific Session.
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New evidence of how and when the Milky Way came together

May 17 2021 - 00:05
New research provides the best evidence to date into the timing of how our early Milky Way came together, including the merger with a key satellite galaxy.Using relatively new methods in astronomy, the researchers were able to identify the most precise ages currently possible for a sample of about a hundred red giant stars in the galaxy.
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Cells from the centre of tumours most likely to spread around the body

May 17 2021 - 00:05
Researchers from the Francis Crick Institute, Royal Marsden, UCL and Cruces University Hospital have found that cells from different parts of kidney tumours behave differently, and surprisingly, cells within the centre of a tumour are the most aggressive and have the highest chance of spreading around the body.
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The perfect blend: Optimizing gas mixtures for hydrogen storage in clathrate hydrates

May 17 2021 - 00:05
In a recent study, Dr. Park's group explored a feasible solution to the problem of using clathrate hydrates as vessels for H2 storage. However, the enclathration of pure H2 is still a slow process. To improve upon this strategy, the team set out to find the best hydrogen-natural gas blend (HNGB) for the energy-efficient formation of clathrate hydrates. They carefully analyzed the clathrate formation kinetics and structure and the distribution of trapped molecules.
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Anisotropic zoning in the upper crust of the Tianshan Tectonic Belt

May 17 2021 - 00:05
Tianshan Tectonic Belt is a major seismic activity belt in the western part of the Chinese mainland. A recent study revealed the anisotropic zoning in the upper crust of the Tianshan tectonic belt, The polarization directions of the fast waves in most of the study area are consistent with the local tectonic stress fields, the time delays share an increasing trend from east to west in the NorthTianshan and South Tianshan Mountain ranges.
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Scientists explain why climate models can't reproduce the early-2000s global warming slowdown

May 17 2021 - 00:05
The unexpected global warming slowdown during 1998-2013 challenges the simulation ability of climate models since most models participating in phase 5 of the Coupled Model Intercomparison Project (CMIP5) cannot simulate it. The CMIP6 with the most advanced climate models is now underway. Researchers evaluated the ability of the new-generation CMIP6 climate models on simulating the warming slowdown, and further revealed the reasons for the dilemma of slowdown simulation.
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Greenland becoming darker, warmer as its snow ages and changes shape

May 17 2021 - 00:05
A reduction in the amount of fresh, light-colored snow in parts of Greenland is exposing older, darker snow. The research reports on new weather patterns and explains how the changing shape of snowflakes on the surface is leading to conditions on Greenland's ice sheet, including possibly increased melting.
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Scientists find new way of predicting COVID-19 vaccine efficacy

May 17 2021 - 00:05
he early immune response in a person who has been vaccinated for COVID-19 can predict the level of protection they will have to the virus over time, according to analysis from Australian mathematicians, clinicians, and scientists, and published today in Nature Medicine.
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Fast, affordable solution proposed for transparent displaysand semiconductors

May 17 2021 - 00:05
The Korea Institute of Machinery & Materials(KIMM) developed a roll-based damage-free transfer technique that allows two-dimensional (2D) nanomaterials to be transferred into wafer scale without damage. The proposed technique has a variety of applications from transparent displays and semiconductors to displays for self-driving cars, and is expected to accelerate the commercialization of 2D nanomaterial-based high-performance devices.
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Researchers identify 64 regions of the genome that increase risk for bipolar disorder

May 17 2021 - 00:05
International consortium of leading psychiatric genetics scientists studied thousands of DNA sequences, more than doubling the number of regions previously identified
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Dating the stars -- Scientist provide most accurate picture yet

May 17 2021 - 00:05
Scientists have succeeded in dating some of the oldest stars in our galaxy with unprecedented precision by combining data from the stars' oscillations with information about their chemical composition.
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