Humans
World's most-spoken languages may have arisen in ancient Iran
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brain
Life
Male fruit flies feel pleasure when they ejaculate
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Life
Dog brain scans show if they are looking at a happy or sad face
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Earth
Heavy metal poisoning may be changing birds’ personalities
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Technology
Electrodes fitted behind your ear can make you walk faster
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Health
Brain zap can make people re-experience old dreams while awake
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Life
Surprise! Having a big brain really does mean having less muscle
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Life
Birds 'dream sing' by moving their vocal muscles in their sleep
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Life
Young 'dinosauromorphs' may have begged for food like baby birds
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Humans
Some people identify smells as easily as if they were colours
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Health
Opioids that hit different brain target could be less addictive
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Life
Why do female monkeys spend so long looking at rugged males?
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