Scientist proves Braess paradox 'disappears' under high traffic demands
Statistician suggests raising statistical standards to reduce amount of non-reproducible studies
Scientists find errors in hypothesis linking solar flares to global temperature
Study rebuts hypothesis that comet attacks ended 9,000-year-old Clovis culture
(Phys.org)—Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough ...
Drill core evidence adds credence to iron fertilization hypothesis regarding last ice age
Plants may have a single ancestor
In evolution, fossils reveal, 'Court Jester' gets last laugh
(Phys.org)—The dominant factors in the rise and fall of the diversity of life on Earth has been a point of debate for scientists nearly as long as they have studied the processes of evolution.
The Red Queen was right: We have to run to keep in place
Biologists quote Lewis Carroll when arguing that survival is a constant struggle to adapt and evolve. Is that true, or do groups die out because they experience a run of bad luck? Charles Marshall and Tiago ...
Sexual reproduction works thanks to ever-evolving host, parasite relationships: study
(PhysOrg.com) -- It seems we may have parasites to thank for the existence of sex as we know it. Indiana University biologists have found that, although sexual reproduction between two individuals is costly ...
Scientists say the Big One could be even bigger
The Big One predicted for the San Andreas fault could end up being bigger than earthquake experts previously thought.
Colour variability in Crimson Rosellas is linked to a virus
Despite its name, the Crimson Rosella is perhaps Australia's most colour-variable bird and a cause of this striking and beautiful diversity seems to be a disease that's potentially deadly to many other parrots.
Cosmologist suggests universe might not be expanding after all
Researchers test whether Red Queen hypothesis makes species resilient
In Lewis Carroll's 1871 classic novel Through the Looking Glass, the Red Queen tells Alice: "Now, here, you see, it takes all the running you can do, to keep in the same place."
New book argues that inexpensive, employee-driven business experiments can help drive innovation
When it comes to prescription drugs, patient "compliance" is a concern: Are people, especially the elderly, taking their medication on the proper schedule? While pharmaceutical firms focus on the research ...