PHYS.ORG The long-held conspiracy theory that John F. Kennedy was shot by a second gunman on the grassy knoll is wrong, according to a new analysis of video footage of the shooting, published in the journal Heliyon. The results support the official autopsy findings: JFK suffered a gunshot wound caused by the same type of rifle as that owned by Lee Harvey Oswald, fired from the vicinity of the Texas School Book Depository building located behind the motorcade. 1 month
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Research suggests sweet potatoes didn't originate in the Americas as previously thought
PHYS.ORG Sweet potatoes may seem as American as Thanksgiving, but scientists have long debated whether their plant family originated in the Old or New World.... 6 days
Research suggests novel therapies to lower cardiovascular disease risk in rheumatoid arthritis patients
NEWS MEDICAL Preclinical and early clinical research conducted by teams at the University of Alabama at Birmingham and in Australia suggests that patients with... 2 weeks
Alternatives to lead hunting shot pose their own hazards
PHYS.ORG Hunting with lead shot is highly restricted or entirely banned in many countries due to the danger of poisoning birds and environment. However, alternative ammunition is not without its own... 1 week
A way to prevent pancreatic cancer from spreading post-surgery?
SCIENCE DAILY New research suggests a strategy for lowering the odds of metastasis following successful pancreatic cancer surgery: The post-operative period, suggests a researcher, 'offers a window during which efforts might be... 1 week
Wolf-like animal shot in central Montana, DNA tests underway
PHYS.ORG A central Montana rancher shot a wolf-like animal after it was spotted in a pasture with livestock, but a closer look prompted state wildlife officials to take DNA samples to... 2 days
Research sheds light on a novel disease mechanism in chronic smokers
SCIENCE DAILY Research suggests that an immune signalling protein called interleukin (IL)-26 is increased among chronic smokers with lung disease and this involvement reveals disease mechanisms of interest... 6 days
Why an upcoming appointment makes us less productive
PHYS.ORG You've got a full hour until your next meeting. But you probably won't make the most of that time, new research suggests. 4 days
Self-consistency influences how we make decisions
SCIENCE DAILY When making decisions, our perception is influenced by judgments we have made in the past as a way of remaining consistent with ourselves, suggests new research. 4 days
Adapted polymer offers plant-based protection from the sun's harmful rays
PHYS.ORG Lignin, the natural polymer that gives tree trunks their strength, could be the source of a new range of skincare products, new research suggests. 2 weeks
Gun owner or not, Americans agree on many ways to limit gun violence
SCIENCE-NEWS A new survey suggests that gun owners support many potential gun-control policies — now research on their efficacy needs to catch up. 6 days
Why an upcoming appointment makes us less productive
SCIENCE DAILY You've got a full hour until your next meeting. But you probably won't make the most of that time, new research suggests. In a series of eight studies, both in the lab... 4 days
Research supports restrictions on opioid-containing cold medicines for children
SCIENCE DAILY Prescription cough and cold medicines containing the opioid hydrocodone were more likely to cause serious side effects in children than those containing codeine, according to a new study. The research... 5 days
Shorter drug treatment OK for many breast cancer patients
ABC NEWS New research suggests that many women with a common and aggressive form of breast cancer that is treated with Herceptin can get by with six months of the drug instead... 2 weeks
Ultralight science—boundary layer measurements from low-flying source
PHYS.ORG On a grassy runway just outside of Madison, Grant Petty makes the final checks on his skeleton-framed airplane. Once ready, he hits the throttle and lurches forward. After a few 100 feet, the ultralight... 1 week
Mars rocks may harbor signs of life from four billion years ago
PHYS.ORG Iron-rich rocks near ancient lake sites on Mars could hold vital clues that show life once existed there, research suggests. 2 days
Research suggests link between faulty gene, alcohol, and heart failure
NEWS MEDICAL The researchers investigated faulty versions of a gene called titin which are carried by one in 100 people or 600,000 people in the UK. 2 days
A first look at the earliest decisions that shape a human embryo
SCIENCE DAILY For the first time, scientists have shown that a small cluster of cells in the human embryo dictates the fate of other embryonic cells.... 4 days
Sweet potatoes didn't originate in the Americas as previously thought
SCIENCE DAILY Sweet potatoes may seem as American as Thanksgiving, but scientists have long debated whether their plant family originated in the Old or New World. New research by a... 6 days
Slower rates of stimulation may be more effective in brain therapy, suggests research
NEWS MEDICAL One of the promising non-invasive brain therapeutic methods is the repetitive transcranial magnetic stimulation. During such a procedure, a magnetic coil is... 5 days
Microglia may play key role in slowing progression of prion diseases, research suggests
NEWS MEDICAL Prion diseases are slow degenerative brain diseases that occur in people and various other mammals. No vaccines or treatments are available, and... 1 week
Study: Social connections may protect black men who have sex with men from acquiring HIV
NEWS MEDICAL UCLA-led research suggests that receiving support from friends and acquaintances can help prevent black men who have sex... 1 week
Researchers discover new disease mechanism in chronic tobacco smokers
NEWS MEDICAL Research published in the journal Clinical Science suggests that an immune signaling protein called interleukin-26 is increased among chronic smokers with lung disease and this involvement reveals disease mechanisms of... 6 days
Study finds age-related racial disparities in youth suicide
NEWS MEDICAL New research suggests the suicide rate is roughly two times higher for black children ages 5-12 compared with white children of the same age group. The study, funded by the National Institute... 6 days
Minority children develop implicit racial bias in early childhood
SCIENCE DAILY New research suggests that minority children as young as six years old show an implicit pro-White racial bias when exposed to images of both White and Black children. But how... 2 weeks
Major fossil study sheds new light on emergence of early animal life 540 million years ago
SCIENCE DAILY All the major groups of animals appear in the fossil record for the first time around... 6 days
Cell type switch helps colon cancer evade treatment, study suggests
SCIENCE DAILY Researchers have discovered that colon cancers are often resistant to existing drug treatments because they are composed of two different cell types that can replace each other when... 2 weeks
We have no idea how much microplastic is in Australia's soil (but it could be a lot)
PHYS.ORG Microplastics in the ocean, pieces of plastic less than 5mm in size, have shot... 6 days
Major fossil study sheds new light on emergence of early animal life 540 million years ago
PHYS.ORG All the major groups of animals appear in the fossil record for the first time around... 6 days
Unusual laser emission in the Ant Nebula suggests hidden double star system
PHYS.ORG An international team of astronomers have discovered an unusual laser emission that suggests the presence of a double star system hidden at the heart... 2 weeks
Study of ancient fish suggests Chicxulub asteroid strike warmed planet for 100,000 years
PHYS.ORG A small team of researchers from the U.S. and Tunisia has found evidence that suggests a huge asteroid that struck the Earth... 2 days
3D printed sugar offers sweet solution for tissue engineering, device manufacturing
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Can seaweed relieve gassy cows on dairy farms?
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Sandpaper figs make food, fire, medicine and a cosy home for wasps
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How researchers are teaching AI to learn like a child
Science Magazine
The changing shape of DNA
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Versions of Han Solo's blaster exist – and they're way more powerful than real lightsabers would be
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400 million year-old evolutionary arms race helps researchers understand HIV
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A necessary evil? What you need to know about animal research
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How situation awareness could save your life
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What’s really behind ‘gluten sensitivity’?
Science Magazine