How long people live is less predictable and life expectancy for young people can be as much as 14 years shorter in violent countries compared to peaceful countries, according to a new study today from an international team, led by Oxford’s Leverhulme Center for Demographic Science. It reveals a direct link between the uncertainty of living in a violent setting, even for those not directly involved in the violence, and a “double burden” of shorter and less predictable lives.

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As the economist Herman Daly pithily said, the economy is a wholly owned subsidiary of the environment—not the reverse. Nature makes our lives possible through what scientists call ecosystem services. Think healthy food, clean water, feed for livestock, building materials, medicine, flood and storm control, recreation, and attractions for tourists. Read Full Article Here source: Phys.org

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NASA will test a new capability for supporting science research in the mesosphere with the launch of two rockets from NASA’s Wallops Flight Facility, Virginia on Feb. 9, 2023. The two Improved-Orion suborbital sounding rockets will launch about 30 minutes apart between 8-10 a.m. EST. Read Full Article Here source: Phys.org

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Baby stars don’t always play nice with their siblings. New observations show an outflow of high-speed gas from one baby star colliding with a nearby dense cloud of gas where other stars are in the process of being born. These observations clearly show the outflow from a baby star affecting a neighboring star forming cloud. It is still unknown if it disrupts or enhances star-formation when a baby star is kicked by its neighbor like this.

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Play is often considered an indicator and promotor of animal welfare. Playing with your cat may also nurture closer cat-human bonds. In a new study, scientists have investigated these links by applying in-depth empirical methods to analyze data gathered from around the world. Read Full Article Here source: Phys.org

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Over eighty years ago, Rabi oscillations were proposed to describe the strong coupling and population transfer in a two-level quantum system exposed to an oscillatory driving field. As compared to atoms, molecules have an extra degree of vibration, which adds an additional knob to the Rabi oscillations in light-molecule interactions. However, how such a laser-driven Rabi oscillation during the stretching of molecular bonds determines the kinetic energy release (KER) spectrum of dissociative fragments is still an open question.

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Embryogenesis is one of the most fundamental and remarkable processes in both animals and plants. It’s amazing that after fertilization, a single maternal egg cell can develop into an organism with a multilayered body plan only in just a few weeks. Cell fate transition is largely determined by the expression of the associated genes and the epigenetic state, which can influence gene expression. There are conserved and distinct features in the cellular process for embryogenesis in animals and plants.

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Restoration of the critically endangered Atlantic salmon is an important issue in the rivers of Maine. Dams on Maine rivers have long been known to impact fish populations, but a new study led by the University of Maine quantifying the time and energy lost by Atlantic salmon stopped by dams indicate that the structures might have even more of an impact than once thought. Read Full Article Here source: Phys.org

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Extreme drought events can affect the physiological function and growth of plant. Understanding the physiological mechanisms of how plants respond to extreme drought is crucial for predicting plant performance under future climate change. In 2019, a valley savanna in Yuanjiang, China experienced an extreme drought. It provided a unique opportunity to test how woody plants of different functional groups respond physiologically to natural extreme drought. Read Full Article Here source: Phys.

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Researchers at Nagoya University in Japan have used a new device to identify a key membrane protein in urine that indicates whether the patient has a brain tumor. This protein could be used to detect brain cancer, avoiding the need for invasive tests, and increasing the likelihood of tumors being detected early enough for surgery. This research could also have potential implications for detecting other types of cancer. The research was published in ACS Nano.

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A cascade of various events is required for the transmission of signals within cells. These include several modifications of proteins to switch their function on or off. In order to ensure rapid signal transmission, signaling proteins transiently accumulate at specific sites in the cell, where they can form biomolecular condensates. Read Full Article Here source: Phys.org

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Author's picture

Elizabeth Dubinskiy

I am high school student with a passion for materials science and engineering. Using this blog I would like to share my research and findings.

High School student

San Francisco Bay Peninsula