Sentences with phrase «scientists puzzle over»

As scientists puzzle over the cause, organic beekeepers indicate alternative reasons for this tragic loss.

The findings have scientists puzzling over how early black holes grew into the supermassive beasts they are today without a steady diet of gas, dust, stars, and other fodder.

For decades, scientists puzzled over the age and origins of Saturn's rings (SN: 11/12/16, p. 10).

Not exact matches

While this is bad news for the planet, it's good news for climate change scientists who have — for the last two decades — puzzled over warming trends in ocean surface temperatures for nearly 20 years.

Not all species sleep alike, however, and scientists have long puzzled over which aspects are truly fundamental.

13 — 14 Over the past three years IBM scientists have developed a robot called Watson that can defeat human contestants at Jeopardy! Watson's ability to decode puzzling questions depends on intricate computer algorithms that mimic how the human brain processes language and information.

«After years of puzzling over how its grant - review process might be shortchanging younger scientists, the National Institutes of Health appears to have figured out a more fundamental truth: There just aren't enough of them applying,» reporter Paul Basken writes in The Chronicle of Higher Education.

Many scientists have puzzled over how life could have arisen on a planet that was essentially a giant snowball.

Even if Chilesaurus itself isn't a theropod, scientists still have a handful of other theropods that have «gone green» to puzzle over, such as the therizinosaurs and another oddball called Limusaurus.

For years, scientists have puzzled over what prompts the intertwined double - helix DNA to open its two strands and then start replication.

Scientists are puzzled over a high number of thyroid abnormalities observed so soon after the accident.

It has puzzled astronomers and planetary scientists ever since, who have argued over the decades about Pluto's origin, size, mass, composition and classification.

For decades, scientists have puzzled over exactly where these winds — and the striped pattern they produce — come from.

Scientists have long puzzled over how the particles form, however.

As «man's best friend» and closest companion animal, the researchers believe that the latest results may offer a new piece of the puzzle over the reported significant decline in human semen quality — a controversial subject which scientists continue to debate.

Although it has existed for centuries, hepatitis C was identified just over 20 years ago, and scientists have been puzzling about its origins ever since.

Young animals recover from tissue damage better than adults, and from Charles Darwin's time until now, scientists have puzzled over why this is the case.

How nerve cells within the brain communicate with each other over long distances has puzzled scientists for decades.

Scientists have puzzled over the mysteries of tickling for millennia, with Aristotle famously asking why most people can't tickle themselves.

Scientists have puzzled over the cicadas» cycles since colonists first reported the insects» strange behaviors in the mid-1600s.

Scientists have long been puzzled over why some species of amphibians are on the decline while others stay healthy.

The species might have perished entirely under colonial rule, except that its odd inability to grow up caught the attention of European scientists, who puzzled over it in the late nineteenth century.

Scientists have puzzled over how the insects, often laden with two or three times their weight in blood, manage to flee undetected.

Scientists are puzzling over where the H5N8 strain, never before seen in a highly pathogenic form, originated.

But for 15 years, climate scientists have puzzled over how that ancient global warming could have happened.

Since the French neurologist Georges Gilles de la Tourette first described his namesake condition 125 years ago, scientists have puzzled over the cause.

It has been several months since «Oumuamua's discovery, but scientists are still puzzling over our first interstellar visitor.

For over a century, it has been clear that a cell can do so, but scientists have been puzzled for decades about how the process works.

Scientists have puzzled over the exact pressure and other conditions needed to make hexagonal diamond since its discovery in an Arizona meteorite fragment half a century ago.

One puzzle for scientists to figure out is why the chemistry of hydrothermal vents changes, not only among locations, but over temporal scales as well.

Pioneering scientist, social activist, humanitarian — Mary - Claire King is also foremost a free spirit who for over four decades has marched to the beat of her own drummer, animated by the impulse to solve iconic scientific puzzles, a passion for victims of disease and social injustice, and a warm humility that belies her profound impacts on science, on medicine, and on society.

Scientists have to puzzle their way out of dilemmas over time and usually with more work.

LONDON, 22 August, 2014 − For years, researchers have puzzled over the temperature rises that haven't happened — but scientists in China and the US believe they have cracked the mystery of the missing heat.

In the decades that followed, scientists continued to puzzle over exactly how aerosols from tailpipes and smokestacks alter the weather, in part because the particles are incredibly difficult to study.

Scientists have long puzzled over the origin of all the extra CO2 that appeared as the great ice sheets melted.