ARIS — Progressive deafness profoundly influenced Beethoven's compositions, prompting him to choose lower-frequency notes as his condition worsened, scientists said on Tuesday.
As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.
A 1998 study that linked childhood autism to a vaccine was branded an "elaborate fraud" by the British Medical Journal (BMJ) Thursday, but its lead author said he was the victim of a smear campaign by drug manufacturers.
PARIS (AFP) – The proportion of children under five who die each year across the globe has dropped 60 percent over the past four decades, according to a study published Monday.
