Silent hunters show engineers how plane and turbine props can make less noise.
Martin M Barillas
The Daisen Kofun is the largest of the legendary emperors’ tombs and is essential to the Shinto religion.
Extinction and habitat loss have reduced seed dispersal for plants that need to be carried to new ranges as climate changes.
Kids under 4 were systematically given small doses of peanut protein, and the youngest showed the best results.
Frostbite can lead to deep tissue damage, infection and amputation of limbs.
In a first, pig kidneys were transplanted into a brain-dead human recipient for a successful trial run.
The biggest evolutionary benefit of early human food strategies may have been all the free time.
Hitchhiking invaders are among “the biggest threats” to native marine life.
Lack of sleep is linked to depression, obesity and poor academic performance, say researchers.