First violins imitated human voices: studyMusic historians have long suspected that the inventors of the violin wanted to imitate the human voice, and a study out Monday shows how 16th to 18th century luthiers in Italy did it.Researchers uncover Anne Frank's 'dirty jokes'in her diaryResearchers have published for the first time writing on two pages of Anne Frank's diary which she covered over with brown paper, discovering dirty jokes and a teenager's interest in sex.Preserving organsKeeping transplant livers at body temperature can be better than cooling or freezing them, according to British researchers.Samsung, Fujitsu pick France for new AI research centresSouth Korean giant Samsung said Wednesday it will set up its third-biggest research centre for artificial intelligence in France. Termites sacrifice their elderly in ant wars: studyWhen termites go to war, the oldest soldiers fight on the front lines, being closer to death anyway, a study revealed on Wednesday.Fish speciesMore than 100 rarely seen fish species were hauled up from a deep and cold abyss off Australia during a scientific voyage, researchers said on February 21, including a cousin of the world's ugliest animal Mr Blobby.Suppressing a sneeze can be dangerous, doctors warnStifling a sneeze can rupture your throat, burst an ear drum, or pop a blood vessel in your brain, researchers warned Tuesday.Researchers warn of cyber risks for Olympic GamesThe Olympic Games offer a tempting target for hackers and other malicious actors, with potentially devastating consequences for one of the world's premier sporting events, researchers said Tuesday.Zika virus is good for brain cancerThe Zika virus can wreak havoc on the brain of a developing fetus, but its destructive power may also be harnessed to fight a stubborn form of adult brain cancer, researchers said on September 5, 2017.Dinosaur fossil in ColoradoJoe Sertich, Denver Museum of Nature and Science curator of dinosaurs, said the find was one of the three triceratops skulls found along the Colorado Front Range and had likely been there for at least 66 million years.