Articles by Allan Adamson
2-Billion-Year-Old Salt Rock Sheds Light On Rise Of Oxygen In Earth's Atmosphere During The Great Oxidation Event
Was the escalation of oxygen in the Earth's atmosphere a gradual or rapid process? Crystallized salt rocks extracted from a deep hole in Russia shed light on how oxygen appeared during the Great Oxidation Event 2.3 billion years ago.
Neanderthals, Early Humans May Have Seen Alien Star That Sideswiped Solar System 70,000 Years Ago
The Scholz´s star flew by the Solar System and moved comets and asteroids off of orbits 70,000 years ago. The Neanderthals and early humans who looked up the night sky may have seen it as a faint reddish light.
Daily Dose Of Erectile Dysfunction Drug Viagra May Help Prevent Cancer
Viagra commonly prescribed to treat erectile problems in men holds potential as a cancer prevention drug. Giving a small, daily dose of the drug to mice genetically predetermined to develop colorectal cancer appears to reduce risk for the disease.
NASA Can Use Paint To Save Earth From Asteroid Impact
Painting the surface of asteroid Bennu may protect Earth from a potential impact by the year 2135. Here's how paint could prevent an asteroid collision.
Pain Relievers Like Prescription-Strength Ibuprofen May Increase Risk Of Irregular Heartbeat
Selective NSAIDs, which include ibuprofen, naproxen, or meloxicam were linked to an 18 percent higher risk of irregular heartbeat or atrial fibrillation. Should people stop taking these pain relievers to treat body ache and pain?
Humanity Star: Giant Disco Ball Will Plunge Back To Earth Sooner Than Expected
The reflective orb Humanity Star is falling back to Earth just two months after it was launched into space. What went wrong and when will it re-enter Earth's atmosphere?
Grilling And Cooking Meat In High Heat May Raise Risk Of High Blood Pressure
Cooking chicken, fish, and red meat in open flame or at high temperature by grilling and barbecuing may increase a person's risk of high blood pressure. What makes cooking in high heat dangerous for your health?
Lab Brews Beer Without Hops Using Genetically Modified Yeast
Using genetically modified yeast, scientists produced beer with a flavor similar to those of naturally hopped brews. A brewing expert described it as having the flavor characteristics of Fruits Loops and orange blossom.
Authorities Warn Of Street Drug Laced With Bug Spray That Causes Zombie-Like Effects
Users of the bug spray-laced drug known as KD passed out with the drug still in their hands. Some were observed eating grass and dirt from the ground.
Cockroach DNA Reveals Why These Household Pests Are Hard To Kill
DNA analysis revealed that roaches have expanded set of genes that allow them to thrive in filthy environments and consume toxic food. These genes also include those that allow these bugs to regrow broken limbs.
World's Last Male Northern White Rhinoceros Is Dead: Is This The End Of The Species?
The last male northern white rhinoceros has died but there is still hope that his death will not mark the end of his species. Here's how conservationists plan to save the species from extinction.
Alien Visitor 'Oumuamua Most Likely Ejected By A Two-Star System: How Did That Happen?
'Oumuamu likely originated from a binary star system, which has at least one big hot star. This is how the interstellar asteroid was likely ejected from its home star system.
Male Birth Control Pill Is Safe To Use, But Is It Effective At Preventing Pregnancy?
Result of preliminary study showed that the experimental male birth control pill DMAU is safe to use. Is it also effective when it comes to lowering sperm count and preventing pregnancy?
Low Sperm Count Indicates Other Health Issues Not Just Infertility
Low sperm count does not just cause fertility problems. Researchers of a study involving 5,100 men also found that it could be an indication of other health problems in men.
Do Parallel Universes Exist? Stephen Hawking's Last Paper May Help Prove Multiverse Theory.
Stephen Hawking's last scientific paper sets out the mathematics needed to help deep-space probes collect evidence that can prove the multiverse theory. The idea suggests the existence of other universes other than our own.
Lavender And Tea Tree Oils Contain Hormone-Disrupting Chemicals That Can Cause Abnormal Breast Enlargement In Boys
Chemicals in lavender and tea tree oils mimic the female sex hormone estrogen and inhibit the effects of the male sex hormone androgen. This may explain a potential link between exposure to essential oils and gynecomastia in boys.
Artificial Sweetener Splenda May Worsen Symptoms Of Crohn's Disease
In a six-week study, researchers gave mice with Crohn's-like disease water with the artificial sweetener Splenda. What side effects did they observe in the animals with the inflammatory bowel disease?
Rose-Colored Jupiter: NASA's Juno Captures Image Of Storm And Bright Clouds On Gas Giant Planet
JunoCam onboard NASA's Juno spacecraft captured a close-up view of a storm and bright cloud tops on Jupiter. The U.S space agency encourages the public to download and process raw images from Juno.
Ancient Humans Bred With The Denisovans More Than Once: How This Interbreeding Affects Modern Humans
The Denisovans and ancient humans interbred at least twice. Here are some of the traits in modern humans that are linked to genes inherited from the extinct hominin species.
Hammer Spacecraft May Not Prevent Bennu Asteroid From Crashing Into Earth In 2135
Deflecting dangerous near-Earth objects headed toward Earth may not work for the massive asteroid Bennu that may collide with the planet in 2135. What are other possible ways to prevent this catastrophic collision?
Physically Fit Middle-Age Women Nearly 90 Percent Less Likely To Develop Dementia
Middle-age women who are highly fit are 90 percent less likely to be diagnosed of dementia within 44 years. If they do develop the neurological disease, they get diagnosed 11 years later than their moderately fit counterparts.
Dwarf Planet Ceres Has Its Own Water Cycle
Data from NASA's Dawn spacecraft suggest that dwarf planet Ceres has a cycle of condensation and sublimation. Scientists said that this process was previously seen only on comets.
More Than 90 Percent Of Bottled Water Are Contaminated With Microplastic Particles
Analysis of more than 250 water bottles revealed that 93 percent of the samples are contaminated with tiny pieces of plastic particles. It is not yet clear how ingestion of microplastic can impact human health.
Glowing Dyes Can Reveal Hidden Cancers During Surgery
Dyes that can make cancer cells glow during operation may improve odds for successful treatment of cancer patients. The technology can also help with early detection of small tumors.
All Galaxies Regardless Of Size And Mass Rotate Like Clock Once Every Billion Years
Astronomers with the International Centre for Radio Astronomy Research found that galaxies rotate about once every billion years. They said that both small and big galaxies were found orbiting like clocks.
Theoretical Physicist Stephen Hawking, Author Of 'A Brief History of Time', Dies At Age 76
British physicist Stephen Hawking died on Wednesday at age 76. He was given only two years to live when he was diagnosed of ALS when he was 21 years old, defying odds when he lived for more than 50 years.
Feathered Dinosaur Archaeopteryx Could Fly But Not Similar To Modern Birds
The archaeopteryx was capable of flying when it lived during the late Jurassic Period 150 million years ago. Analysis of the feathered dinosaur wing bones, however, revealed they did not fly as gracefully as modern birds.
Chinese Ready Meals Should Come With Health Warnings About Their Salt Content: Campaign Group
One of the Chinese takeaway dishes analyzed by the campaign group Action on Salt contains five times the amount of salt present in McDonald’s Big Mac. Here's why this amount of salt in food could be dangerous to one's health.
Hunter-Gatherers Thrived Through Volcanic Winter After Mount Toba Supervolcano Eruption
The eruption of supervolcano Mount Toba in Indonesia 74,000 years ago is believed to have nearly decimated the human species. How did the hunter-gatherers at the Pinnacle Point rockshelter in the southern coast of South Africa survive?
The Great Recession Impacted The Health Of Americans: Study
The Great Recession raised blood pressure and glucose levels of adults in the United States. Who were the most vulnerable to the effects of the economic crisis and who were the least affected?
