Latest Science News -- ScienceDaily
Internet use reduces study skills in university students
Fri, 17 Jan 2020 08:53:21 EST
Research has shown that students who use digital technology excessively are less motivated to engage with their studies, and are more anxious about tests. This effect was made worse by the increased feelings of loneliness that use of digital technology produced.
Human ancestors may have eaten hard plant tissues without damaging teeth
Fri, 17 Jan 2020 08:08:38 EST
Hard plant foods may have made up a larger part of early human ancestors' diet than currently presumed, according to a new experimental study of modern tooth enamel. The results have implications for reconstructing diet, and for our interpretation of the fossil record of human evolution, researchers said.
Sanitary care by social ants shapes disease outcome
Fri, 17 Jan 2020 08:08:34 EST
Sanitary care in ants to fight disease is known to improve the wellbeing of the colony, yet it has been unclear how social disease defense interferes with pathogen competition inside the individual host body. Biologists now revealed that collective care-giving has the power to bias the outcome of coinfections in fungus-exposed colony members.
America's most widely consumed oil causes genetic changes in the brain
Fri, 17 Jan 2020 08:08:27 EST
New research shows soybean oil not only leads to obesity and diabetes, but could also affect neurological conditions like autism, Alzheimer's disease, anxiety, and depression.
Cheap drug may alleviate treatment-resistance in leukemia
Fri, 17 Jan 2020 08:08:26 EST
A common and inexpensive drug may be used to counteract treatment resistance in patients with acute myeloid leukemia (AML), one of the most common forms of blood cancer. The researchers will now launch a clinical study to test the new combination treatment in patients.
How sensitive can a quantum detector be?
Fri, 17 Jan 2020 08:08:21 EST
Measuring the energy of quantum states requires detecting energy changes so exceptionally small they are hard to pick out from background fluctuations, like using only a thermometer to try and work out if someone has blown out a candle in the room you're in. New research presents sensitive quantum thermometry hitting the bounds that nature allows.
New vulnerability in kidney cancer
Thu, 16 Jan 2020 17:56:07 EST
Medical researchers have identified a possible way to treat tumors while sparing nearby healthy tissue.
Edible 'security tag' to protect drugs from counterfeit
Thu, 16 Jan 2020 15:54:39 EST
Researchers are aiming to stump drug counterfeiters with an edible 'security tag' embedded into medicine. To imitate the drug, a counterfeiter would have to uncrack a complicated puzzle of patterns not fully visible to the naked eye.
Mix of stress and air pollution may lead to cognitive difficulties in children
Thu, 16 Jan 2020 15:54:36 EST
Children with elevated exposure to early life stress in the home and elevated prenatal exposure to air pollution exhibited heightened symptoms of attention and thought problems, according to researchers. Early life stress is common in youth from disadvantaged backgrounds who also often live in areas with greater exposure to air pollution.
Helping patients prep mind and body for surgery pays off
Thu, 16 Jan 2020 15:54:33 EST
An inexpensive program to help surgery patients get physically and mentally ready for their upcoming operation may help reduce overall costs and get them home faster, according to new research involving hundreds of patients in 21 hospitals.
Billions of quantum entangled electrons found in 'strange metal'
Thu, 16 Jan 2020 14:41:05 EST
Physicists have observed quantum entanglement among 'billions of billions' of flowing electrons in a quantum critical material. The research provides the strongest direct evidence to date of entanglement's role in bringing about quantum criticality.
A secreted signature of aging cells
Thu, 16 Jan 2020 14:17:30 EST
Senescent cells undergo an irreversible and permanent arrest of cell division and are hallmarks of both the aging process and multiple chronic diseases. Senescent cells -- and more importantly the factors they secrete, known collectively as the senescence-associated secretory phenotype (SASP) -- are widely accepted as drivers of aging and multiple age-related diseases.
Efficacy of drugs against pork tapeworm
Thu, 16 Jan 2020 14:17:26 EST
Taenia solium -- also called pork tapeworm -- is a parasite which causes disease around the world, particularly in very poor communities with deficient sanitation and where pigs roam free. Researchers have now analyzed the efficacy and adverse effects of three chemotherapeutics against T. solium.
Researchers investigate molecule, VISTA, which keeps immune system quiet against cancer
Thu, 16 Jan 2020 14:17:24 EST
Researchers are studying a valuable target in regulating the immune response in cancer and autoimmunity. VISTA is a tempering molecule that hinders T cells in the immune system from activating against self-antigens such as cancer cells. Their new publication describes how VISTA controls T-cell responses.
Mobile protected areas needed to protect biodiversity in the high seas
Thu, 16 Jan 2020 14:17:20 EST
As the United Nations rewrites the laws of the high seas, the new document should anticipate emerging technologies that allow protected areas to move as animals migrate or adapt to climate change.
New model shows how crop rotation helps combat plant pests
Thu, 16 Jan 2020 14:17:17 EST
A new computational model shows how different patterns of crop rotation -- planting different crops at different times in the same field -- can impact long-term yield when the crops are threatened by plant pathogens.
Mosquitoes engineered to repel dengue virus
Thu, 16 Jan 2020 14:17:10 EST
Scientists have synthetically engineered mosquitoes that halt the transmission of the dengue virus. Biologists developed a human antibody for dengue suppression in Aedes aegypti mosquitoes, the insects that spread dengue. The development marks the first engineered approach in mosquitoes that targets the four known types of dengue, improving upon previous designs that addressed single strains.
In death of dinosaurs, it was all about the asteroid -- not volcanoes
Thu, 16 Jan 2020 14:17:08 EST
Volcanic activity did not play a direct role in the mass extinction event that killed the dinosaurs, according to an international team of researchers. It was all about the asteroid.
Improved brain chip for precision medicine
Thu, 16 Jan 2020 14:11:33 EST
A biomedical research team is reporting an improvement on a microfluidic brain cancer chip. The new chip allows quick assessment of the effectiveness of cancer drugs on brain tumors.
How anti-sprawl policies may be harming water quality
Thu, 16 Jan 2020 13:22:47 EST
Urban growth boundaries are created by governments in an effort to concentrate urban development -- buildings, roads and the utilities that support them -- within a defined area. These boundaries are intended to decrease negative impacts on people and the environment. However, according to a researcher, policies that aim to reduce urban sprawl may be increasing water pollution.