Science

Science

[:es]Butterflies are vanishing in the western U.S.—but not for the reasons scientists thought[:]

Earth is in the midst of an insect apocalypse, with thousands of species dwindling over the past several decades. Scientists have often blamed habitat loss or pesticide use. But a […]
Science

[:es]The genes behind the sexiest birds on the planet[:]

For a glimpse of the power of sexual selection, the dance of the golden-collared manakin is hard to beat. Each June in the rainforests of Panama, the sparrow-size male birds […]
Science

[:es]When should you end a conversation? Probably sooner than you think[:]

While studying for his master’s degree at the University of Oxford, Adam Mastroianni confronted a fear common to many party goers: Would he get stuck in a conversation with no […]
Science

[:es]The first organism to use oxygen may have appeared surprisingly early[:]

The first organisms to “breathe” oxygen—or at least use it—appeared 3.1 billion years ago, according to a new genetic analysis of dozens of families of microbes. The find is surprising […]
Science

[:es]How fairy circles form in Shanghai’s salt marshes[:]

Dry areas of Namibia and Australia are well known for their fairy circles—barren rings that dot grasslands and are thought to result from termites and water scarcity. But moist regions […]
Science

[:es]Humble dung beetles may be ideal DNA detectors for animal surveys[:]

Biologists wanting to identify the resident creatures of a location, be it nearby woods or a distant mountainside, could soon have new assistants to help them vacuum up a surrounding’s […]
Science

[:es]Mammoth molars yield the oldest DNA ever sequenced[:]

A genetic analysis of long-extinct Siberian mammoths has nearly doubled the record for the oldest DNA yet sequenced. The genetic material, from a creature that roamed frozen lands some 1.2 […]
Science

[:es]Hopes evaporate for the superheavy element flerovium having a long life[:]

For decades, nuclear physicists have blasted record-breaking superheavy elements into existence, extending the periodic table step by step beyond uranium, the heaviest natural element. Such heavyweights tend to be unstable, […]
Science

[:es]The race to treat a rare, fatal syndrome may help others with common disorders like diabetes[:]

Maureen Marshall-Doss says the first sign that her vision was deteriorating came when she misidentified the color of a dress. At a backyard get-together about 20 years ago, the Indianapolis […]