Planets and Animals

  • Squishing blood stem cells could facilitate harvest for transplants
    on March 22, 2019 at 8:33 pm

    How deformable cells are, and thus how stiff or squishy they are, plays an important role in retaining blood-forming stem cells in their marrow niches and thus preserving their long-term repopulation capabilities. […]

  • Anti-TB drugs can increase risk of TB re-infection
    on March 22, 2019 at 8:33 pm

    Current treatments for tuberculosis (TB) are very effective in controlling TB infection caused by Mycobacterium tuberculosis (Mtb). They don't, however, always prevent reinfection. Why this happens is one of the long-standing questions in TB research. A team of scientists may have found the answer... in the gut. […]

  • Paleontologists report world's biggest Tyrannosaurus rex
    on March 22, 2019 at 8:33 pm

    Paleontologists have just reported the world's biggest Tyrannosaurus rex and the largest dinosaur skeleton ever found in Canada. The 13-metre-long T. rex, nicknamed 'Scotty,' lived in prehistoric Saskatchewan 66 million years ago. […]

  • How the 'good feeling' can influence the purchase of sustainable chocolate
    on March 22, 2019 at 6:05 pm

    More and more products carry ethical labels such as fair-trade or organic, which consumers view positively. Nevertheless, the sales figures of these products often remain low, even though they offer advantages for the environment or for society. A team of scientists have investigated what factors influence consumers' purchasing intentions. […]

  • Climate change affecting fish in Ontario lakes
    on March 22, 2019 at 2:57 pm

    Researchers have found warmer average water temperatures in Ontario lakes over the past decade have forced fish to forage in deeper water. […]

  • Colourful male fish have genes to thank for their enduring looks
    on March 22, 2019 at 2:57 pm

    Striking colors that are seen only in the males of some species are partly explained by gene behavior, research into guppy fish suggests. […]

  • A social bacterium with versatile habits
    on March 22, 2019 at 2:57 pm

    Related individuals of a soil bacterial species live in cooperative groups and exhibit astonishing genetic and behavioral diversity. […]

  • Salamanders chew with their palate
    on March 22, 2019 at 2:57 pm

    The Italian Crested Newt eats anything and everything it can overpower. Earthworms, mosquito larvae and water fleas are on its menu, but also snails, small fish and even its own offspring. A research team has now studied the newt's chewing behavior and has made an astounding discovery. […]

  • Caterpillars retrieve 'voicemail' by eating soil
    on March 22, 2019 at 2:57 pm

    Leaf-feeding caterpillars greatly enrich their intestinal flora by eating soil. It's even possible to trace the legacy effects of plants that previously grew in that soil through bacteria and fungi in the caterpillars. […]

  • Study in mice examines impact of reused cooking oil on breast cancer progression
    on March 21, 2019 at 7:48 pm

    Compounds in thermally abused cooking oils may trigger genetic, biochemical changes that hasten the progression of late-stage breast cancer, promoting tumor cells' growth and proliferation. […]

  • Natural plant defense genes provide clues to safener protection in grain sorghum
    on March 21, 2019 at 7:28 pm

    Weeds often emerge at the same time as vulnerable crop seedlings and sneak between plants as crops grow. How do farmers kill them without harming the crops themselves? In a new study, researchers identify genes and metabolic pathways responsible for safener efficacy in grain sorghum. […]

  • Plant scraps are the key ingredient in cheap, sustainable jet fuel
    on March 21, 2019 at 6:19 pm

    Scientists have developed a process for converting plant waste from agriculture and timber harvesting into high-density aviation fuel. Their research may help reduce CO2 emissions from airplanes and rockets. […]

  • Plant immunity cut to size
    on March 21, 2019 at 6:19 pm

    An international team has found a link between a class of enzymes and immune signals that is rapidly triggered upon physical damage in plants. This new discovery will increase our understanding of the plant immune system and might be exploited to improve crop health and yield in the future. […]

  • Half-a-billion-year-old fossil reveals the origins of comb jellies
    on March 21, 2019 at 6:19 pm

    One of the ocean's little known carnivores has been allocated a new place in the evolutionary tree of life after scientists discovered its unmistakable resemblance with other sea-floor dwelling creatures. […]

  • High-fructose corn syrup boosts intestinal tumor growth in mice
    on March 21, 2019 at 6:19 pm

    Consuming a daily modest amount of high-fructose corn syrup -- the equivalent of people drinking about 12 ounces of a sugar-sweetened beverage daily -- accelerates the growth of intestinal tumors in mouse models of the disease, independently of obesity, according to new research. […]

  • First evidence bacterial-induced apoptosis in algae
    on March 21, 2019 at 6:19 pm

    Biologists show the first evidence of apoptosis, or programmed cell death in algae. The outcomes have broad-reaching implications, from the development of targeted antibiotics to the production of biofuels in industry. […]

  • Two-step path to shrinking worker bee gonads
    on March 21, 2019 at 6:18 pm

    The dramatic difference in gonad size between honey bee queens and their female workers in response to their distinct diets requires the switching on of a specific genetic program, according to a new study. The finding may aid analysis of the interplay of genes and nutrition that drive caste dimorphism in honey bees. […]

  • Pathogenic, drug-resistant bacteria found in wastewater treatment plants
    on March 21, 2019 at 5:04 pm

    Infections caused by drug-resistant bacteria are a global public health threat causing serious illness and even death. In a new study, researchers conducted a survey of 20 municipal wastewater plants in England, and isolated drug-resistant Enterococcus faecium from all sites in both untreated and treated wastewater plants except three, which use ultraviolet light disinfection. A genomic comparison of E. faecium isolates from wastewater and bloodstream isolates of infected patients revealed two major lineages. […]

  • Solving the efficiency of Gram-negative bacteria
    on March 21, 2019 at 5:04 pm

    Researchers have discovered how antibiotic-resistant bacteria construct their defense system -- a finding that could lead to new treatments for currently untreatable infections. […]

  • Prenatal allergies prompt sexual changes in offspring
    on March 21, 2019 at 5:03 pm

    A single allergic reaction during pregnancy prompts sexual-development changes in the brains of offspring that last a lifetime, new research suggests. Female rats born to mothers exposed to an allergen during pregnancy acted more characteristically 'male' -- mounting other female rodents, for instance -- and had brains and nervous systems that looked more like those seen in typical male animals. […]

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