For the 44th time in the 283 years of the Republic of the United States of America, one President will step down as another takes their place. In the grand tradition of the office, outgoing President Barack Obama gave his farewell speech in Chicago, the city that he called home and gave him his start in politics. Over his nearly hour-long speech, President Obama cited the challenges, successes, failures, and his still-strong belief in the ability of this nation to change for the better.
Even if you live in a part of the country that experiences all four seasons, you've never seen them like this before. Using experiments and chemical reactions, this video depicts flowers blooming, leaves falling, waves crashing, and snow falling in microscopic form.
Right now, your inbox is probably crammed with an insane number of marketing emails. That one account you created to access that one piece of information that you only needed that one time was all it took to open the floodgates. Director and comedian James Veitch describes his attempt to unsubscribe from one such email and how he hilariously fought back when they just kept coming.
Graphene is thought to be the strongest material known — in its two-dimensional form. Replicating that 2D strength in three dimensions has been problematic for scientists for decades. But researchers at MIT think they've found a solution. This new 3D-printed material has just 5% of the density of steel with over 10 times the strength, opening doors for applications from airplanes to filtration systems.
For over 50 years, Baltazar Ushca Tenesaca has been keeping this 500-year-old tradition alive. Twice a week, he makes the 16 mile trek up Ecuador's tallest mountain to harvest 60 pound ice rocks from the glaciers. Due to the low demand, Baltazar is the only harvester left on Chimborazo but continues the practice for the ice's unique properties.