Scientists have found evidence that the universe has a background hum, or ripples in the fabric of space-time called gravitational waves.
These were first proposed by Albert Einstein in 1916 but were not detected until about 100 years later.
Now, the waves echoing through the universe have been recorded for the first time in the form of radio data, it was announced on Wednesday.
Researchers from the North American Nanohertz Observatory for Gravitational Waves (NanoGrav) spent 15 years collecting data from ground-based telescopes, with findings now published in the Astrophysical Journal Letters.
"In the new studies, NanoGrav is thought to have picked up a collective hum of gravitational waves from many pairs of merging supermassive black holes throughout the universe," said Caltech University, which is a part of the observatory.
NanoGrav scientists monitored 68 dead stars, called pulsars, that acted like a network of signals filled with gravitational waves.
The motion of black holes and other massive objects through space creates ripples in the fabric of the universe.
The gravitational waves are thought to have been created over eons by supermassive black holes – which are up to billions of times the mass of the Sun – circling each other before they merge.
"The effect of the gravitational waves on the pulsars is extremely weak and hard to detect, but we built confidence in the findings over time as we collected more data," Katerina Chatziioannou, a NanoGrav team member and an assistant professor of physics at Caltech University, said.
"People have tried to find merging supermassive black holes with telescopes for years.
"They are getting closer and finding more candidates, but because the black holes are so close together, they are hard to distinguish.
"Having gravitational waves as a new tool will help better understand these enigmatic beasts."
Nasa said in a statement that detecting gravitational wave background could be compared with hearing the hum of a large group of people talking at a party, without distinguishing any particular voice.
It said that the findings could help scientists learn how the waves are created and what happens as they echo through the universe.
"They could also be used to study supermassive black hole mergers, events that can last for millions of years. Scientists think these mergers happen in most galaxies and influence their evolution," Nasa said.
The Laser Interferometer Gravitational Observatory made the first ever detection of gravitational waves in 2015.
But they were at a much shorter wavelength than the new discovery, meaning they were detected from black holes that were only about 30 times the mass of the Sun.
The Great Derangement: Climate Change and the Unthinkable
Amitav Ghosh, University of Chicago Press
Indian construction workers stranded in Ajman with unpaid dues
How to watch Ireland v Pakistan in UAE
When: The one-off Test starts on Friday, May 11
What time: Each day’s play is scheduled to start at 2pm UAE time.
TV: The match will be broadcast on OSN Sports Cricket HD. Subscribers to the channel can also stream the action live on OSN Play.
Where to submit a sample
Volunteers of all ages can submit DNA samples at centres across Abu Dhabi, including: Abu Dhabi National Exhibition Centre (Adnec), Biogenix Labs in Masdar City, NMC Royal Hospital in Khalifa City, NMC Royal Medical Centre, Abu Dhabi, NMC Royal Women's Hospital, Bareen International Hospital, Al Towayya in Al Ain, NMC Specialty Hospital, Al Ain
Anna and the Apocalypse
Director: John McPhail
Starring: Ella Hunt, Malcolm Cumming, Mark Benton
Three stars
ABU%20DHABI'S%20KEY%20TOURISM%20GOALS%3A%20BY%20THE%20NUMBERS
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Russia's Muslim Heartlands
Dominic Rubin, Oxford
Conflict, drought, famine
Estimates of the number of deaths caused by the famine range from 400,000 to 1 million, according to a document prepared for the UK House of Lords in 2024.
It has been claimed that the policies of the Ethiopian government, which took control after deposing Emperor Haile Selassie in a military-led revolution in 1974, contributed to the scale of the famine.
Dr Miriam Bradley, senior lecturer in humanitarian studies at the University of Manchester, has argued that, by the early 1980s, “several government policies combined to cause, rather than prevent, a famine which lasted from 1983 to 1985. Mengistu’s government imposed Stalinist-model agricultural policies involving forced collectivisation and villagisation [relocation of communities into planned villages].
The West became aware of the catastrophe through a series of BBC News reports by journalist Michael Buerk in October 1984 describing a “biblical famine” and containing graphic images of thousands of people, including children, facing starvation.
Band Aid
Bob Geldof, singer with the Irish rock group The Boomtown Rats, formed Band Aid in response to the horrific images shown in the news broadcasts.
With Midge Ure of the band Ultravox, he wrote the hit charity single Do They Know it’s Christmas in December 1984, featuring a string of high-profile musicians.
Following the single’s success, the idea to stage a rock concert evolved.
Live Aid was a series of simultaneous concerts that took place at Wembley Stadium in London, John F Kennedy Stadium in Philadelphia, the US, and at various other venues across the world.
The combined event was broadcast to an estimated worldwide audience of 1.5 billion.
Liz%20Truss
%3Cp%3EMinisterial%20experience%3A%20Current%20Foreign%20Secretary.%0D%3Cbr%3E%0DWhat%20did%20she%20do%20before%20politics%3F%20Worked%20as%20an%20economist%20for%20Shell%20and%20Cable%20and%20Wireless%20and%20was%20then%20a%20deputy%20director%20for%20right-of-centre%20think%20tank%20Reform.%0D%3Cbr%3E%0DWhat%20does%20she%20say%20on%20tax%3F%20She%20has%20pledged%20to%20%22start%20cutting%20taxes%20from%20day%20one%22%2C%20reversing%20April's%20rise%20in%20National%20Insurance%20and%20promising%20to%20keep%20%22corporation%20tax%20competitive%22.%3C%2Fp%3E%0A
THE SPECS
Engine: 1.5-litre, four-cylinder turbo
Transmission: seven-speed dual clutch automatic
Power: 169bhp
Torque: 250Nm
Price: Dh54,500
On sale: now
Score
Third Test, Day 1
New Zealand 229-7 (90 ov)
Pakistan
New Zealand won the toss and elected to bat
THE%20SPECS
%3Cp%3EEngine%3A%203-litre%20V6%20turbo%20(standard%20model%2C%20E-hybrid)%3B%204-litre%20V8%20biturbo%20(S)%0D%3Cbr%3EPower%3A%20350hp%20(standard)%3B%20463hp%20(E-hybrid)%3B%20467hp%20(S)%0D%3Cbr%3ETorque%3A%20500Nm%20(standard)%3B%20650Nm%20(E-hybrid)%3B%20600Nm%20(S)%0D%0D%3Cbr%3EPrice%3A%20From%20Dh368%2C500%0D%3Cbr%3EOn%20sale%3A%20Now%3C%2Fp%3E%0A
Florida: The critical Sunshine State
Though mostly conservative, Florida is usually always “close” in presidential elections. In most elections, the candidate that wins the Sunshine State almost always wins the election, as evidenced in 2016 when Trump took Florida, a state which has not had a democratic governor since 1991.
Joe Biden’s campaign has spent $100 million there to turn things around, understandable given the state’s crucial 29 electoral votes.
In 2016, Mr Trump’s democratic rival Hillary Clinton paid frequent visits to Florida though analysts concluded that she failed to appeal towards middle-class voters, whom Barack Obama won over in the previous election.
WWE Super ShowDown results
Seth Rollins beat Baron Corbin to retain his WWE Universal title
Finn Balor defeated Andrade to stay WWE Intercontinental Championship
Shane McMahon defeated Roman Reigns
Lars Sullivan won by disqualification against Lucha House Party
Randy Orton beats Triple H
Braun Strowman beats Bobby Lashley
Kofi Kingston wins against Dolph Zigggler to retain the WWE World Heavyweight Championship
Mansoor Al Shehail won the 50-man Battle Royal
The Undertaker beat Goldberg
Bundesliga fixtures
Saturday, May 16 (kick-offs UAE time)
Borussia Dortmund v Schalke (4.30pm)
RB Leipzig v Freiburg (4.30pm)
Hoffenheim v Hertha Berlin (4.30pm)
Fortuna Dusseldorf v Paderborn (4.30pm)
Augsburg v Wolfsburg (4.30pm)
Eintracht Frankfurt v Borussia Monchengladbach (7.30pm)
Sunday, May 17
Cologne v Mainz (4.30pm),
Union Berlin v Bayern Munich (7pm)
Monday, May 18
Werder Bremen v Bayer Leverkusen (9.30pm)
Bookshops: A Reader's History by Jorge Carrión (translated from the Spanish by Peter Bush),
Biblioasis
More from Neighbourhood Watch
Teaching your child to save
Pre-school (three - five years)
You can’t yet talk about investing or borrowing, but introduce a “classic” money bank and start putting gifts and allowances away. When the child wants a specific toy, have them save for it and help them track their progress.
Early childhood (six - eight years)
Replace the money bank with three jars labelled ‘saving’, ‘spending’ and ‘sharing’. Have the child divide their allowance into the three jars each week and explain their choices in splitting their pocket money. A guide could be 25 per cent saving, 50 per cent spending, 25 per cent for charity and gift-giving.
Middle childhood (nine - 11 years)
Open a bank savings account and help your child establish a budget and set a savings goal. Introduce the notion of ‘paying yourself first’ by putting away savings as soon as your allowance is paid.
Young teens (12 - 14 years)
Change your child’s allowance from weekly to monthly and help them pinpoint long-range goals such as a trip, so they can start longer-term saving and find new ways to increase their saving.
Teenage (15 - 18 years)
Discuss mutual expectations about university costs and identify what they can help fund and set goals. Don’t pay for everything, so they can experience the pride of contributing.
Young adulthood (19 - 22 years)
Discuss post-graduation plans and future life goals, quantify expenses such as first apartment, work wardrobe, holidays and help them continue to save towards these goals.
* JP Morgan Private Bank
SPECS
%3Cp%3E%3Cstrong%3EEngine%3A%3C%2Fstrong%3E%201.5-litre%204-cylinder%3Cbr%3E%3Cstrong%3EPower%3A%3C%2Fstrong%3E%20101hp%3Cbr%3E%3Cstrong%3ETorque%3A%3C%2Fstrong%3E%20135Nm%3Cbr%3E%3Cstrong%3ETransmission%3C%2Fstrong%3E%3A%20Six-speed%20auto%3Cbr%3E%3Cstrong%3EPrice%3A%3C%2Fstrong%3E%20From%20Dh79%2C900%3Cbr%3E%3Cstrong%3EOn%20sale%3A%3C%2Fstrong%3E%20Now%3C%2Fp%3E%0A
COMPANY PROFILE
Name: Xpanceo
Started: 2018
Founders: Roman Axelrod, Valentyn Volkov
Based: Dubai, UAE
Industry: Smart contact lenses, augmented/virtual reality
Funding: $40 million
Investor: Opportunity Venture (Asia)
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UAE currency: the story behind the money in your pockets
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%3Cp%3E%3Cstrong%3EEngine%3A%20%3C%2Fstrong%3E2.0-litre%204cyl%20turbo%0D%3Cbr%3E%3Cstrong%3EPower%3A%20%3C%2Fstrong%3E261hp%20at%205%2C500rpm%0D%3Cbr%3E%3Cstrong%3ETorque%3A%20%3C%2Fstrong%3E400Nm%20at%201%2C750-4%2C000rpm%0D%3Cbr%3E%3Cstrong%3ETransmission%3A%20%3C%2Fstrong%3E7-speed%20dual-clutch%20auto%0D%3Cbr%3E%3Cstrong%3EFuel%20consumption%3A%20%3C%2Fstrong%3E10.5L%2F100km%0D%3Cbr%3E%3Cstrong%3EOn%20sale%3A%20%3C%2Fstrong%3ENow%0D%3Cbr%3E%3Cstrong%3EPrice%3A%20%3C%2Fstrong%3EFrom%20Dh129%2C999%20(VX%20Luxury)%3B%20from%20Dh149%2C999%20(VX%20Black%20Gold)%3C%2Fp%3E%0A
MATCH INFO
Osasuna 1 Real Madrid 4
Osasuna: García (14')
Real Madrid: Isco (33'), Ramos (38'), Vázquez (84'), Jovic (90' 2)
Men’s singles
Group A: Son Wan-ho (Kor), Lee Chong Wei (Mas), Ng Long Angus (HK), Chen Long (Chn)
Group B: Kidambi Srikanth (Ind), Shi Yugi (Chn), Chou Tien Chen (Tpe), Viktor Axelsen (Den)
Women’s Singles
Group A: Akane Yamaguchi (Jpn), Pusarla Sindhu (Ind), Sayaka Sato (Jpn), He Bingjiao (Chn)
Group B: Tai Tzu Ying (Tpe), Sung Hi-hyun (Kor), Ratchanok Intanon (Tha), Chen Yufei (Chn)
Story%20behind%20the%20UAE%20flag
%3Cp%3EThe%20UAE%20flag%20was%20first%20unveiled%20on%20December%202%2C%201971%2C%20the%20day%20the%20UAE%20was%20formed.%C2%A0%3C%2Fp%3E%0A%3Cp%3EIt%20was%20designed%20by%20Abdullah%20Mohammed%20Al%20Maainah%2C%2019%2C%20an%20Emirati%20from%20Abu%20Dhabi.%C2%A0%3C%2Fp%3E%0A%3Cp%3EMr%20Al%20Maainah%20said%20in%20an%20interview%20with%20%3Cem%3EThe%20National%3C%2Fem%3E%20in%202011%20he%20chose%20the%20colours%20for%20local%20reasons.%C2%A0%3C%2Fp%3E%0A%3Cp%3EThe%20black%20represents%20the%20oil%20riches%20that%20transformed%20the%20UAE%2C%20green%20stands%20for%20fertility%20and%20the%20red%20and%20white%20colours%20were%20drawn%20from%20those%20found%20in%20existing%20emirate%20flags.%3C%2Fp%3E%0A
