Nature

Even people who already exercise might improve their cardiovascular health by doing more. Credit: Eduardo Parra/Europa Press/Getty Medical research 15 January 2021 Data from nearly 100,000 people find no upper limit to the heart benefits of increasing exercise levels. Regular exercise boosts good health. Now, research shows that as physical activity increases, benefits to the
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‘Hello world!’ Escherichia coli bacteria can store short phrases in their DNA. Credit: Steve Gschmeissner/SPL Chemical biology 15 January 2021 A common bacterium can be engineered to carry coded messages in its genome. Scientists have stored data in the genomes of living bacteria, which can safeguard information against contamination — and possibly data thieves. Data
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Scientists carrying out investigative work on honey have revealed crucial data about the feeding habits of honeybees. There has been a considerable shift in wildflowers available to the pollinators. (Photo : Pixabay) Researchers made use of genetic tools to determine which particular plants the honeybees visited in the rural regions. This was compared with a
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The large intestine. Infection ‘trains’ both the digestive system and the gut microbiome to fend off hostile microorganisms. Credit: Nigel Downer/SPL Microbiome 15 January 2021 Gut-wrenching infection encourages production of an amino acid consumed by helpful bacteria. Some intestinal illnesses might be a blessing in disguise. A study in mice shows that bowel infections can
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The United Kingdom entered its third lockdown after genomic surveillance detected a fast-spreading SARS-CoV-2 variant.Credit: Oli Scarff/AFP/Getty 2021 is shaping up to be the year of COVID-19 variants. In the past two months, scientists have identified several fast-spreading variants that have prompted government restrictions in many countries — and new variants are being detected more
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Hear the latest science news, with Benjamin Thompson and Nick Howe. Your browser does not support the audio element. Download MP3 In this episode: 00:45 Dire wolf DNA Dire wolves were huge predators that commonly roamed across North America before disappearing around 13,000 years ago. Despite the existence of a large number of dire wolf
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Researchers have made a shocking discovery by finding a link between Toxoplasma gondii, a parasite that reproduces fast in cats and transmitted to humans via undercooked pork or raw meat, and brain cancer in humans. (Photo : Inge Wallumrod) The new study, which was published Monday, January 11 in the International Journal of Cancer, revealed that
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A scan shows the damaged lung of a person hospitalized for COVID-19.Credit: Nathan Laine/Bloomberg/Getty Traitorous antibodies are linked to COVID death Antibodies normally attack pathogens, but sometimes rogue antibodies instead besiege bodily components such as immune cells. Now, a new study adds to the growing body of research tying these ‘autoantibodies’ to poor outcomes in
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Chris Whitty, England’s chief medical officer, could help to ensure that independent scientific advisers publish and disseminate complete data and evidence for changes to vaccine guidance.Credit: James Veysey/Shutterstock Coronavirus vaccines have arrived, and many countries have started their vaccination campaigns. The authorities face a race against time as infections and deaths from COVID-19 continue to
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It was a Friday afternoon in March 2013 when Andy Geall got the call. Three people in China had just become infected with a new strain of avian influenza. The global head of vaccines research at Novartis, Rino Rappuoli, wanted to know whether Geall and his colleagues were ready to put their new vaccine technology
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According to a study published recently in the scientific journal nature plants, the Graz University of Technology has discovered a bacterium that provides immunity to rice plants against pathogens. Rice plant immunity (Photo : Pixabay) The scientists at the Institute of Environmental Biotechnology at The Graz University of Technology have been studying the microbiome of rice
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When microbiologist Christopher Rensing navigates Fuzhou’s busy streets on his mobility scooter, he finds many people in the Chinese city consider it a novelty vehicle rather than a medical necessity.Credit: Shutterstock The COVID-19 pandemic has prevented me from rejoining my research group at Fujian Agriculture and Forestry University in Fuzhou, China, where I work as
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The frequency and intensity of extreme weather conditions and climate events have significantly affected both human life and the natural environment.  (Photo : Photo by Macau Photo Agency on Unsplash)A taxi rides under heavy rain that is causing flooding in Macau, China Holding capacity for atmospheric water vapor has been increasing due to global warming,
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1. Förster, T. Energiewanderung und Fluoreszenz. Naturwissenschaften 33, 166–175 (1946). ADS  Article  Google Scholar  2. Förster, T. Zwischenmolekulare Energiewanderung und Fluoreszenz. Ann. Phys. 437, 55–75 (1948). Article  Google Scholar  3. Brixner, T. et al. Two-dimensional spectroscopy of electronic couplings in photosynthesis. Nature 434, 625–628 (2005). ADS  CAS  Article  Google Scholar  4. Scholes, G. D., Fleming,
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A hospital worker and COVID patient in South Africa, where a new variant of SARS-CoV-2 has been identified.Credit: Rodger Bosch/AFP/Getty As concern grows over faster-spreading variants of coronavirus, labs worldwide are racing to unpick the biology of these viruses. Scientists want to understand why SARS-CoV-2 variants identified in the United Kingdom and South Africa seem
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“The idea is not environmentally relevant.” That feedback was one of the negative comments that Michigan State University researcher Gemma Reguerra got when she first proposed her new research project to the National Science Foundation. (Photo : Photo by Michael Longmire on Unsplash)Microscope Fortunately for Reguera, many other reviewers and the foundation’s program manager did
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Vaccine maker Novavax launched a late-stage trial of its shot last December and will face difficulty recruiting and maintaining participants.Credit: PA Images/Alamy Global health researchers breathed a collective sigh of relief last month after nations across Europe, North America and elsewhere issued emergency approvals of the first COVID-19 vaccines. But as the shots are rolled
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Delta Airlines joined the ranks of Alaska and American Airlines in no longer accepting emotional support animals (dogs, cats, etc.) and requiring trained service dogs proper and official documentation when boarding their planes. (Photo : Photo by Artem Labunsky on Unsplash)Yellow service Labrador Delta will no longer take new bookings for an emotional support animal,
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Astronomers have proposed a new explanation for the mysterious blue veil that surrounds Pluto. Credit: NASA/JHUAPL/SWRI/SPL Planetary science 08 January 2021 Dwarf planet on the Solar System’s outer fringes might have particles of frozen organic matter in its atmosphere. An analysis suggests that Pluto’s atmosphere is rich in particles of frozen organic compounds, which might
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Aside from being faithful companions, dogs have also been known to be a valued ally for law enforcement; their keen senses can detect bombs, contrabands, and drugs, among many things. But, one dog from Montana chose a more serene career choice. Pepin, a Belgian Malinois from the Missouri River’s headwaters in Montana, is a park
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Scientists have mapped the interconnected brain regions involved in a mouse’s empathetic response to seeing a companion in distress. Credit: Alamy Neuroscience 07 January 2021 A mouse sharing a companion’s fear has different neural patterns to one sharing another animal’s pain. Mice witnessing another mouse in fear or pain, or even gaining relief from pain,
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The speed of the planet’s rotations depends on the frequently complex motion of the innermost molten core along with its oceans, atmosphere, natural satellites, and other celestial bodies. (Photo : Photo from NASA) Because of the constant changes in the conditions that aid in determining the speed that the planet spins, scientists have enough reasons to
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