Alphabet’s venture firm GV is leading the round, which nearly doubles Synthesia’s valuation, per three sources.

Most musical instruments produce tones whose partial tones, or overtones, are harmonic: their frequencies are whole-number ...

Many unexpected human artifacts have been preserved, for centuries, in vulture nests. This sandal woven from grasses and twigs, called an agobía, is somewhere between 727 and 771 years old, ...