President Trump staged a rose-colored spectacle at Tuesday night's State of the Union — the longest-ever address to Congress, from a president facing his lowest-ever approval ratings . Why it matters: A defiant Trump bragged, weaved, smiled and sparred his way through 108 minutes of prime-time television, projecting his vision of a "Golden Age" for a country that — according to recent polls — mostly isn't buying it . 4 takeaways 1. A night of heroes - Trump shrewdly filled the chamber with people far more popular than himself — honoring gold-medal Olympians , decorated veterans and everyday American heroes in a parade of made-for-TV moments. - Ever the showman, Trump declared Americans are "not tired of winning" before…
A new study finds that horse whinnies are made of both a high and a low frequency, generated by different parts of the vocal tract. The two-tone sound may help horses convey more complex information.