Sci-tech

by | February 14, 2019 | 12:18

Ultimately, if huge numbers of insects disappear, they will be replaced but it will take a long, long time. Insects are also being hit by biological factors, such as pathogens and introduced species, and by climate change, where rising temperatures could affect the range of places where they can live, it says.

by | February 14, 2019 | 09:55

Engineers lost contact with the solar-powered vehicle on June 10 during a dust storm that encircled Mars. Opportunity's batteries went through more than 5,000 charging cycles, and were still capable of holding an 85 percent charge after more than 14 years of use.

by | February 13, 2019 | 22:26

Images of the Kuiper Belt Object (KBO) designated 2014 MU69 , nicknamed Ultima Thule , now show that the two lobes of the KBO 4 billion miles from Earth are not spherical as originally thought. However, analyses of newly beamed-back images - including many taken soon after closest approach - shows eclipsed stars re-appearing sooner than expected.

by | February 08, 2019 | 21:43

Record-breaking: The NASA study found that Earth's global surface temperature a year ago was 0.83 °C warmer than the 1951-1980 mean. Nine of the hottest years have occurred since 2005 , with the past five years being the warmest on record.

by | February 07, 2019 | 23:21

Ed Markey held to unveil their resolution calling for a " Green New Deal ". She said Pelosi asked her to serve on the committee, but she declined because it focuses on investigations. The California Democrat did agree to launch a select committee on climate change, similar to the one she created back in 2007, when she first became speaker.

by | February 07, 2019 | 20:16

Dutkiewicz said satellite could detect those changes in hue, which can provide early warning of changes in marine ecosystems. According to new research published this week in Nature , a newly developed computer model by a team of MIT scientists shows that increasingly warm water temperatures will alter the appearance of the oceans-and their model has been proven out by satellite images taken by NASA over the past few decades.

by | February 06, 2019 | 16:11

This map shows the location of the north magnetic pole (white star) and the magnetic declination (contour interval 2 degrees) at the beginning of 2019. If the poles flip, compasses will point south - and it could have significant effects on Earth's power grid (although it's not likely to happen immediately, despite doomsday-mongers' obsession with the idea).

by | February 05, 2019 | 02:40

While scientists were expecting some gaps between bedrock and ice where ocean water could come in and melt the ice, they did not expect it to be big enough to have contained 14 billion tons of ice . The melting in Thwaites Glacier, approximately the size of Florida in the U.S., contributes four percent of global sea level rise each year. Thwaites Glacier plays an instrumental role in the story of rising sea levels and climate change , so there's never been more of a drive to study and ...

by | February 04, 2019 | 23:09

For example, if you have lung cancer , DNA can break off and permeate the blood, which can then be identified by sophisticated techniques. The difference in cancer type distribution contributes significantly to the difference in mortality rate.

by | February 04, 2019 | 17:14

Dubbed Bedin 1 by the astronomers who discovered it, the dwarf galaxy has been described as modestly sized and elongated. "It measures only around 3,000 light-years at its greatest extent (barely 1/30th the diameter of the Milky Way )", NASA said.

by | February 04, 2019 | 08:01

The Minerals Council said its board, which held a meeting on Wednesday, conveyed its sympathy and condolences to the people of Brazil, in particular those whose lives have been affected by the tailings dam disaster at Brumadinho . Authorities have not yet called off the search for bodies although no one has been found alive since Saturday. Vale SA, the company that ran and operated the dam, said the residues did not have risky levels of metals, but experts argue the impact on the ...

by | February 03, 2019 | 11:59

Thwaites Glacier has almost the mass of Florida and accounts for 4 percent of global sea level rise. Researchers expected to find some gaps between ice and bedrock at Thwaites' bottom where ocean water could flow in and melt the glacier from below.

by | February 03, 2019 | 07:40

So, the legend goes, Punxsutawney Phil was named after King Phillip. Regardless of this year's prediction, it may be worth noting that despite his reputation Punxsutawney Phil does not have the strongest track record for accurately predicting the weather.

by | February 02, 2019 | 10:45

Football fans can look forward to a high of 47 degrees on Sunday as they prepare to watch the Super Bowl, the weather service said. As temperatures bounce back into the single digits Thursday and into the comparative balmy 20s by Friday, more people were expected to return to work in the nation's third-largest city, which resembled a ghost town after most offices told employees to stay home.

by | January 31, 2019 | 15:41

Atlanta-based Delta Air Lines Inc said it would waive flight change fees for passengers affected by the winter weather in Chicago , Detroit and areas of the Upper Midwest. It's also now colder than Mars. The Milwaukee Rescue Mission's call volume was 'unusually high, ' but officials said there should still be enough beds for those who need them.

by | January 30, 2019 | 01:27

What the hell is going on with Global Warming? "Please come back fast, we need you". It was not the first instance where the president mocked global warming. The president's latest tweet about global warming was widely mocked, with his own federal agency refuting his claims. Parts of the USA are indeed facing some of the coldest temperatures the country's seen in a generation.

by | January 29, 2019 | 08:56

Experts found that the moon rock formed at temperatures similar to those found on Earth today. Scientists may have just found the oldest intact Earth rock-on the moon. The rock is presumed to be the oldest known rock, formed around the same time our planet was formed, according to an analysis in Earth and Planetary Science Letters .

by | January 29, 2019 | 03:29

With rain changing over to snow, and temperatures near or below freezing for much of day on Tuesday , black ice will be a major problem, especially on secondary roads . A so-called "polar vortex" is slated to descend on the United States, potentially impacting the Midwest. A National Weather Service warning says up to 8 inches (20 centimeters) were possible by midday.

by | January 26, 2019 | 03:43

Narrow corridor in United States experiences full eclipse while rest of N. and S. America treated to partial eclipse . The solar eclipse 2017 is underway, and people all over the world are very interested in seeing exactly when and how things will look when the sun is blocked completely by the moon .

by | January 25, 2019 | 16:13

These oscillations have been going on for thousands of years and before recently, they didn't have a large impact on Greenland's ice: The ice would melt when the cycle was negative and form again when it was positive. The ice sheet is melting due to continued and accelerating warming of the Earth's atmosphere. The study also shows that the higher sea level could be potentially unsafe for USA coastal cities such as NY and Miami.