Humans at maximum limits for height, lifespan and physical performance, study suggests
There appears to be a plateau in the maximum biological limits for humans' height, age and physical abilities, and we seem to have reached...
Use of cognitive abilities to care for grandkids may have driven evolution of menopause
A grandmother's cognitive abilities make a big difference to her grandchildren's future.
Credit: © Konstantin Yuganov / Fotolia
Instead of having more children, a grandmother may...
Statins linked to lower rates of breast cancer and mortality
New research suggests that statins are associated with lower rates of breast cancer and subsequent mortality.
Credit: © designer491 / Fotolia
A 14 year study in...
ALMA finds massive primordial galaxies swimming in vast ocean of dark matter
Artist impression of a pair of galaxies from the very early universe.
Credit: NRAO/AUI/NSF; D. Berry
Astronomers expect that the first galaxies, those that formed just...
Synchrotron sheds light on the amphibious lifestyle of a new raptorial dinosaur
Reconstruction of Halszkaraptor escuilliei. This small dinosaur was a close relative of Velociraptor, but in both body shape and inferred lifestyle it much closely...
Clay minerals on Mars may have formed in primordial steam bath
Mars may have been enveloped in a thick, steamy atmosphere as the planet's crust cooled and solidified. That steam bath could have created many...
First brain training exercise positively linked to dementia prevention identified
The current version of the “speed training” software, now called Double Decision and produced by the company Posit Science.
Credit: Posit Science
Aging research specialists have...
Skin pigmentation is far more genetically complex than previously thought
These are South African individuals in a household that exemplify the substantial skin pigmentation variability in the Khomani and Nama populations. Picture taken with...
Amniotic fluid is a rich source of stem cells that can now be harvested
Culturing cells in tissue culture plates. (Stock image)
Credit: © hakat / Fotolia
Amniotic fluid, the protective liquid surrounding an unborn baby, is discarded as medical...
Sleepwalkers feel no pain, remain asleep despite suffering injuries
Forty-seven sleepwalkers in this study reported having experienced at least one injurious sleepwalking episode. Only 10 reported waking immediately due to pain; the other...
Pancreatic cancer survival linked to four genes
Adenocarcinoma is by far the most common type of pancreas tumor.
Credit: © designer491 / Fotolia
Alterations in four main genes are responsible for how long...













