Breaking News

Tag Archives: study

Pollinating Bumblebees

Study: Floral Vibrations by Buzz-Pollinating Bumblebees More Powerful Than Their Flight or Defensive Buzzes Buzzing by buff-tailed bumblebee (Bombus terrestris audax) workers during pollen foraging is much more powerful than that used for defense or flight, according to new research from the University of Stirling. The buff-tailed bumblebee (Bombus terrestris). …

Read More »

Smallpox Virus in Viking Age

Diverse Strains of Smallpox Virus Were Widespread in Viking Age, New Study Shows Smallpox, caused by the variola virus, is one of the most devastating human diseases. Smallpox killed millions of people but drove Edward Jenner’s invention of vaccination, which eventually led to the annihilation of the virus, declared in …

Read More »

Sodium Circadian Clock

Sodium Regulates Circadian Clock in Mice, New Study Shows A new study published this week in the journal Nature shows that injecting mice with a salt solution (hypertonic saline) leads to the activation of neurons associated with the suprachiasmatic nucleus, the brain’s master circadian clock. The suprachiasmatic nucleus of a …

Read More »

Deep Red Light Staring

Study: Staring at Deep Red Light Can Improve Naturally Declining Vision Looking at 670-nm red light for three minutes a day can significantly improve cone color contrast sensitivity (the ability to detect colors) and rod sensitivity (the ability to see in low light), according to a new study published in …

Read More »

Chicxulub Asteroid

Chicxulub Asteroid Caused End-Cretaceous Mass Extinction, New Study Confirms The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian dinosaurs and ammonites. Debate lingers over what caused this extinction, with intense volcanic activity in India’s Deccan …

Read More »

9,500 Years In Siberia

Sled Dogs Emerged Over 9,500 Years Ago in Siberia: Study An international team of researchers has sequenced the genomes of 10 modern sled dogs, an ancient sled dog and an ancient wolf, both from Siberia, and analyzed their genetic relationships with other modern dogs. They’ve found that sled dogs represent …

Read More »

Newborn Pluto Subsurface

Was Hot and Had Subsurface Ocean: Study Pluto is thought to possess a subsurface ocean beneath its thick ice shell. It has generally been assumed that the dwarf planet formed out of cold material and then later developed its ocean due to warming from radioactive decay. By combining numerical simulations …

Read More »

Great White Sharks

New Study Sheds Light on Diet of Juvenile Great White Sharks The diet of juvenile white sharks (Carcharodon carcharias) is about 32% mid-water fish, 17% bottom-dwelling fish, 5% reef fish, and 15% batoid fish such as stingrays; the remainder is unidentified fish or less abundant prey, according to new research …

Read More »

DNA Study Sheds Light on Evolution of Dog Breeds

Genetic material from 161 modern breeds helped a team of researchers at the National Human Genome Research Institute (NHGRI) of the National Institutes of Health assemble the most comprehensive evolutionary tree of dogs. The results are published in the journal Cell Reports. Representatives from each of the 23 clades of …

Read More »