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The cause of aviation safety has had a terrible week. An Air Algérie flight crashed yesterday in Mali, reportedly killing all 116 on board. The day before, a TransAsia plane went down on the Taiwanese island of Penghu, leading to the deaths of at least 48 people. And, most notoriously, Malaysian Airlines Flight 17 was […]

The International Space Station captured this photo of the Sarychev Volcano erupting on June 12, 2009. Volcanic plumes contain turbulence that extends to a wide range of size scales. NASA “Ladies and gentlemen, the captain has turned on the seat belt sign. Please return to your seats and ensure your seat belts are fastened.” So […]

Spider webs are veritable antennas humming with signals.

The FloWave tank performing “party tricks” for a gathering of leaders of the UK marine-renewable-energy sector.FloWave Every day on Canada’s Atlantic coast, just northeast of Maine, a gargantuan amount of water rushes through rocky cliffs into and out of the Bay of Fundy. With currents typically reaching speeds of 12 knots, or 20 feet per […]

Staph bacteria (red) forming a biofilmNational Science Foundation A common enemy befouls surgeons, plumbers, and sailors alike: slime. In each of their professions, they wage ceaseless war against biofouling—layers of living organisms that stick around exactly where we don’t want them.  Removing these various scum layers is a billion-dollar endeavor. Nautilus Members enjoy an ad-free […]

The Antennae Galaxies are in a state of “starburst,” when the gas from the two colliding galaxies crashes together to produce huge numbers of new stars.ESA/Hubble & NASA According to the basic approximation, stars are formed by a stately, gradual process that belies the power it eventually unleashes. Within a great gas cloud, gravity slowly […]

British soldiers in a WWI trenchAustralian War Memorial Just over 100 years ago, on the 28th of June, 1914, the Archduke Franz Ferdinand of Austria-Hungary was assassinated in Sarajevo. That set into motion a chain of events that, within several weeks, culminated in the European great powers declaring war on each other. The resulting conflict […]

Three of the rare Przewalski’s horses that now roam the area near the Chernobyl nuclear plant.Sergey Gaschak After a fatal series of errors and malfunctions in the early morning of April 26, 1986, the core of the Chernobyl nuclear facility melted down and then exploded, killing 31 workers at the plant. The accident spewed massive […]

This is the final installment of a five-part series. First read Part 1 , Part 2, Part 3, and Part 4 to get caught up.  Correction: The text about tests that can be done 10 weeks into pregnancy was changed to clarify the difference between CVS—an invasive test that is available now and can determine whether […]