X Chromosomes

The Secrets of the X Chromosome

Most people know that the X chromosome is one of the two sex chromosomes. But it does more than just determine if you're born male or female.
duck billed platypus

The Platypus Is Even Weirder Than You Thought

Platypuses. They’re weird. In fact, platypuses are so unusual that it took taxonomists more than eighty years just to decide what they are.
Deleting Facebook

Why Deleting Facebook isn’t the Answer to Data-Driven Targeting

We have to become smarter news and advertising consumers, and learn to resist the unceasing stream of slanted messages that come our way.
fast food phthalates

Would You Like Phthalates with That?

People who like dining out have 40 to 55 percent higher phthalate levels than those who eat at home.
Bacteriophage, illustration

Fighting Bacterial Infection With…Viruses?

As bacteria develop resistance to widely-used antibiotics, some researchers are turning to bacteria’s natural enemy: a very special virus called a bacteriophage.
Molten lava erupts from Eyjafjallajokull, Fimmvorduhals, Iceland

Volcanoes, Climate Change, and The Birth of Christianity

The massive, deadly eruption of the Icelandic volcano Eldgjá in 10th century brought climate change and Christianity to the island colony.
early microscopes

The Evolution of the Microscope

The first compound microscopes date to 1590, but it was the Dutch Antony Van Leeuwenhoek in the mid-seventeenth century who first used them to make discoveries.
Sir Humphry Davy

When Scientists Perform Experiments on Themselves

More than one self-experiment has resulted in a Nobel Prize. Against all odds, and sometimes in spite of the damage they cause, these crazy gambits pay off.
NSF early star rendering

The Earliest Stars

Astronomers who noticed a slight blip in space's background radiation got an insight not just into the early stars but into the age and nature of the early universe.
Charles Knowlton portrait

Charles Knowlton, the Father of American Birth Control

Decades after Charles Knowlton died, his book would be credited with the reversal of population growth in England and the popularization of contraception in the United States.