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Results 81 - 100 of 2260.


Environment - Mathematics - 06.07.2020
Behind the dead-water phenomenon
Behind the dead-water phenomenon
What makes ships mysteriously slow down or even stop as they travel, even though their engines are working properly? This was first observed in 1893 and was described experimentally in 1904 without all the secrets of this "dead water" being understood. An interdisciplinary team from the CNRS and the University of Poitiers has explained this phenomenon for the first time: the speed changes in ships trapped in dead water are due to waves that act like an undulating conveyor belt on which the boats move back and forth.

Life Sciences - Materials Science - 06.07.2020
A Remote Control for Neurons
A team led by researchers at Carnegie Mellon University has created a new technology that enhances scientists' ability to communicate with neural cells using light. Tzahi Cohen-Karni, associate professor of biomedical engineering and materials science and engineering , led a team that synthesized three-dimensional fuzzy graphene on a nanowire template to create a superior material for photothermally stimulating cells.

Environment - 06.07.2020
Urban gardening and its positive impact on the emotional wellbeing of residents
As urban areas strive to enhance their residents' quality of life, research from the University of Minnesota Humphrey School of Public Affairs shows that access to gardening could have a profound effect on a person's emotional wellbeing and help address sustainable development goals. "It's important to remember that more than 50% of the world's population lives in an urban environment," said study co-author Yingling Fan , professor in regional policy and planning in the Humphrey School of Public Affairs.

Life Sciences - 06.07.2020
Feeling insecure about your relationship? Your biology may play a role
Imagine tracking your feelings during daily interactions with your romantic partner. What would you learn? That's what approximately 100 heterosexual couples in Montreal did each day for 3 weeks during a study run by researchers from McGill University. They were interested in whether a fairly common genetic variant in the opioid system, seen in about a quarter of the population, was associated with feelings of insecurity in romantic relationships.

Environment - 06.07.2020
UN's latest sustainability goals pose more harm than good for environment
UN’s latest sustainability goals pose more harm than good for environment
A team of scientists has warned that the UN Sustainable Development Goals (SDGs) , designed to bring together environmental protection and socioeconomic development, are failing to protect biodiversity. The University of Queensland's Professor James Watson says as currently applied, the SDGs may actually serve as a smokescreen for further environmental destruction in the next decade.

Health - 03.07.2020
Early and responsive control measures helped reduce COVID-19 spread in China
China has contained coronavirus by introducing control measures early and adjusting them to respond to changes in transmission, a report finds. In Report 30 from the Imperial College London COVID-19 Response Team the team found that early implementation and timely adjustment of control measures could be important in containing coronavirus transmission.

Mathematics - Economics / Business - 03.07.2020
New mathematical principle used to prevent AI from making unethical decisions
A new mathematical principle has been designed to combat AI bias towards making unethical and costly commercial choices. Researchers from the University of Warwick, Imperial College London, EPFL (Lausanne) and Sciteb Ltd have found a mathematical means of helping regulators and businesses manage artificial intelligence (AI) systems' biases towards making unethical, and potentially very costly and damaging, commercial choices.

Chemistry - 03.07.2020
Peering under galactic dust, study reveals radiation at center of Milky Way
Thanks to 20 years of homegrown galactic data, astronomers at the University of Wisconsin-Madison, UW-Whitewater and Embry-Riddle Aeronautical University have finally figured out just how much energy permeates the center of the Milky Way. The researchers say it could one day help astronomers track down where all that energy comes from.

Life Sciences - Mathematics - 03.07.2020
Analysis: How the brain builds a sense of self from the people around us - new research
MBPhD researcher Sam Ereira (UCL Medical School) shares his research on brains and discusses how we distinguish between thinking about our minds versus those of others. We are highly sensitive to people around us. As infants, we observe our parents and teachers, and from them we learn how to walk, talk, read - and use smartphones.

Health - Pharmacology - 03.07.2020
Exploring the sun and targeting cancer: News from the College
Exploring the sun and targeting cancer: News from the College
Here's a batch of fresh news and announcements from across Imperial. From commencing a space study despite COVID-19 challenges, to a new drug and diet combo treatment for cancer, here is some quick-read news from across the College. Operating a spacecraft in lockdown After launching in February , the European Space Agency's (ESA) Solar Orbiter spacecraft has successfully completed four months of technical verification, known as commissioning.

Career - Economics / Business - 03.07.2020
Unequal paths to recovery as economy reopens
Low-income workers are almost twice as likely to be laid-off or furloughed as high-income workers, according to a new UCL study examining income and consumption effects of Covid-19. The working paper, published by Puey Ungphakorn Institute for Economic Research , highlights that a significant proportion of those low-income workers - 70 percent from the bottom fifth of the income distribution - have struggled to afford living costs.

Physics - 03.07.2020
A new way towards super-fast motion of vortices in superconductors discovered
A new way towards super-fast motion of vortices in superconductors discovered
An international team of scientists from Austria, Germany and Ukraine has found a new superconducting system in which magnetic flux quanta can move at velocities of 10-15 km/s. This opens access to investigations of the rich physics of non-equilibrium collective systems and renders a direct-write Nb-C superconductor as a candidate material for single-photon detectors.

Health - Social Sciences - 03.07.2020
Levels of depression and anxiety higher amongst those from BAME backgrounds during lockdown
People from BAME backgrounds have had higher levels of depression and anxiety throughout the Covid-19 lockdown, as well as lower levels of happiness and life satisfaction, finds UCL's Covid-19 Social Study. In addition, whilst 21% of people from white backgrounds have reported being often lonely during lockdown, this figure has been 23% amongst those from BAME backgrounds.

Health - Life Sciences - 03.07.2020
How the body regulates scar tissue growth after heart attacks
New UCLA research conducted in mice could explain why some people suffer more extensive scarring than others after a heart attack. The study, published in the journal Cell , reveals that a protein known as type 5 collagen plays a critical role in regulating the size of scar tissue in the heart. Once formed, heart scar tissue remains for life, reducing the heart's ability to pump blood and adding strain to the remaining heart muscle.

Pharmacology - Health - 03.07.2020
Popular chemotherapy drug may be less effective in overweight and obese women
Popular chemotherapy drug may be less effective in overweight and obese women
Breast cancer patients who are overweight or obese might benefit less from treatment with docetaxel, a common chemotherapy drug, than lean patients. An international team of researchers based this conclusion on a retrospective analysis of data from a large clinical trial. Their study was published in the Journal of Clinical Oncology .

Health - Pharmacology - 03.07.2020
Researchers test tuberculosis vaccine combination for COVID-19
Sydney researchers are taking an innovative approach to designing potential COVID-19 vaccines - using a tuberculosis vaccine to deliver components of the SARS-CoV-2 virus. Early results from pre-clinical testing in mice are promising. Researchers at the University of Sydney and Centenary Institute are repurposing an existing tuberculosis vaccine to see if it can be used in a new way against COVID-19 to develop a novel vaccine.

Psychology - Administration - 03.07.2020
Compulsive internet use by teens linked to emotional issues: study
Compulsive internet use by teens linked to emotional issues: study
A new study has found internet addiction in teenagers leads to difficulty regulating emotions. However there was no evidence that pre-existing emotional issues are a predictor of obsessive internet use. Published in the peer-reviewed journal Emotion , the paper is the first longitudinal study to examine the connection between internet addiction among teenagers and emotion regulation difficulties.

Electroengineering - 03.07.2020
A completely new plasmonic chip for ultrafast data transmission using light
A completely new plasmonic chip for ultrafast data transmission using light
Researchers have built an ultrafast chip that can speed up data transmission in fibre optic networks. The chip combines several innovations at the same time and, given the growing demand for streaming and online services, represents a significant development.

Health - Life Sciences - 02.07.2020
How the body fights off urinary tract infections
How the body fights off urinary tract infections
Some people are better protected than others against urinary tract infections. This may be because their bodies produce more of a protein called uromodulin. An interdisciplinary research team has now found out how this helper protein brings relief when nature calls and how this knowledge might benefit the treatment and prevention of these painful inflammations.

Health - 02.07.2020
Why tummy bugs are so good at swimming through your gut
Why tummy bugs are so good at swimming through your gut
Researchers have solved the mystery of why a species of bacteria that causes food poisoning can swim faster in stickier liquids, such as within guts. The findings could potentially help scientists halt the bacteria in its tracks, because they show how the shape of the bacteria's body and the components that help it swim are all dependent on each other to work.

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