Showing results for "Carrier" in Science

A tiny mutation on the X chromosome can shape a family’s history. Passed down from a “carrier” parent to a child, fragile X syndrome is the most common inherited cause of intellectual disability and autism. Beyond that—and a rarity among genetic disorders—some fragile X carriers not only transmit the mutation, but also experience related conditions themselves.

Captain Guyan March had spent his entire professional career aboard Windjammer Barefoot Cruises’ fleet of extravagant tall ships that carry passengers on weeklong fantasy cruises spiced with rum and sun. When he agreed to command the Fantome, Windjammer’s marquee ship, a beautiful 282-foot schooner that “sailed like a pig” in the Gulf of Honduras, he knew that a storm would leave him little space to run. In the southern reaches of the Caribbean, Tropical Storm Mitch whirled to life like a nebula and became Captain March’s worst nightmare.

The fascinating, untold story of how British intelligence secretly used homing pigeons as part of a clandestine espionage operation to gather information, communicate, and coordinate with members of the Resistance to defeat the Nazis in occupied Europe during World War II. Between 1941 and 1944...