Even before publication, health agencies were asking the journal not to publish the research.
- A new study in the Annals of Internal Medicine found little correlation between red meat consumption and health problems.
- A number of organizations immediately contested the evidence, claiming it to be based on an irrelevant system of analysis.
- Beef and dairy production is one of the leading drivers of climate change, forcing humans to weigh personal health against the environment.
Octopuses are known to rapidly change colors during sleep, but it's still unclear whether they dream like humans do.
- The clip is from an upcoming PBS TV show called "Octopus: Making Contact."
- Octopuses have thousands of color-changing cells under their skin called chromatophores that can change colors almost instantly.
- Scientists, however, still aren't sure exactly how octopuses coordinate all of these color-changing cells to form particular patterns.
A study at the University of Oregon puts a longstanding myth to rest.
- Cats form attachments to their caregivers at the same rate as humans and dogs, a new study shows.
- Seventy kittens were tested in the initial study, followed by another with 38 cats over one year of age.
- Cats speak a different language than dogs, which likely caused confusion as to their nature.
An unexpectedly revealing find in Mongolia solves a longstanding riddle.
- Normal geological evidence isn't precise enough to confirm paleontologists' suspicions.
- The new fossils find is covered by a fine veneer of red sand deposited in a single season.
- Scientists can infer whose eggs they were.
Humpbacks swap songs at remote group of islands in the South Pacific.
- A whale's song reflects its geographical and social history.
- A new study identifies for the first time a major migratory crossroads where whales meet.
- The discovery sheds light on the mystery of how whale songs evolve across the Pacific.