A young girl's tooth excavated from a cave wall in north-eastern Laos is providing new insights into the mysterious extinct human species called Denisovans and revealing their resourcefulness in adapting to both tropical and chilly climes.
The tooth is one of the few physical remains known of Denisovans, a sister lineage to Neanderthals who until now had been known only from scrappy dental and bone fossils from a single site in Siberia and one in the Himalayas.
The molar, between 131,000 and 164,000 years old, belonged to a girl aged between four and six years old and had not yet emerged.
The humid Laotian conditions meant ancient DNA was not preserved in the molar, unlike other Denisovan remains. The researchers determined it was Denisovan based on its shape — short and heavily wrinkled — and enamel characteristics. Ancient proteins indicated the molar came from a girl.
It was unearthed in a limestone cave called Tam Ngu Hao 2, known to locals as Cobra Cave, in the Annamite Mountains.
“This is the first time that a Denisovan has been found in a warm region,” said Fabrice Demeter of the University of Copenhagen's Lundbeck Foundation GeoGenetics Centre and lead author of the study published on Tuesday in the journal Nature Communications.
“It means that they were adapted to opposite environments, from cold and high altitude to warm and low altitude regions. In this regard, they were like us, modern humans,” he said.
The existence of Denisovans was unknown until the tip of a finger bone about 40,000 years old was found in 2010 in a cave in the Altai Mountains of Siberia. Three molars were also found at that site. A partial Denisovan jawbone from about 160,000 years ago subsequently was discovered in a Tibetan cave.
“We would like to know a great deal more about Denisovans. But I think it's important to know that just like the Neanderthals were known from Western Europe and the Near East, the Denisovans were a similar and closely related species that was found across a huge part of Asia,” University of Illinois palaeoanthropologist and study co-author Laura Shackelford said.
The Laotian cave is located about 3,800km from the Siberian cave.
“Unfortunately, we know very little about what they looked like since there are so few fossils available,” Ms Shackelford said, noting that Denisovans probably shared some Neanderthal facial and dental traits.
Neanderthals possessed a strong double-arched brow ridge, relatively large noses and relatively large front teeth.
Genome studies have shown that our species, Homo sapiens, interbred with Denisovans as recently as 30,000 years ago. As a result, some modern people share about 5 per cent of their DNA with Denisovans including indigenous populations in Papua New Guinea, Australia and the Philippines, with smaller DNA percentages among the broader south-east Asian populations.
“This discovery (the molar) is particularly important as it is the first direct evidence of the presence of Denisovans in South-east Asia,” Lundbeck Foundation GeoGenetics Centre Director and study co-author Eske Willerslev said.
A common ancestor to Denisovans, Neanderthals, and Homo sapiens is thought to have lived in Africa 700,000 to 500,000 years ago, with a branch that led to Denisovans and Neanderthals splitting off 470,000 to 380,000 years ago. Homo sapiens first emerged in Africa roughly 300,000 years ago, then spread worldwide.
By 200,000 years ago, four different archaic human species inhabited Asia including the Denisovans, Homo erectus, and diminutive island-dwelling peoples called Homo floresiensis and Homo luzonensis. Our species then joined the fray.
Scientists have been searching in north-eastern Laos for decades for prehistoric human remains. The cave bearing the tooth was situated near another where 70,000-year-old Homo sapiens remains were found.
The girl's molar was embedded in sedimentary rock called breccia on a cave wall also containing bone fragments and teeth from animals including ancient rhinos and elephants.
“We did not expect to actually find a Denisovan tooth in Laos,” Mr Demeter said.
BMW M5 specs
Engine: 4.4-litre twin-turbo V-8 petrol enging with additional electric motor
Power: 727hp
Torque: 1,000Nm
Transmission: 8-speed auto
Fuel consumption: 10.6L/100km
On sale: Now
Price: From Dh650,000
'Munich: The Edge of War'
Director: Christian Schwochow
Starring: George MacKay, Jannis Niewohner, Jeremy Irons
Rating: 3/5
Key findings of Jenkins report
- Founder of the Muslim Brotherhood, Hassan al Banna, "accepted the political utility of violence"
- Views of key Muslim Brotherhood ideologue, Sayyid Qutb, have “consistently been understood” as permitting “the use of extreme violence in the pursuit of the perfect Islamic society” and “never been institutionally disowned” by the movement.
- Muslim Brotherhood at all levels has repeatedly defended Hamas attacks against Israel, including the use of suicide bombers and the killing of civilians.
- Laying out the report in the House of Commons, David Cameron told MPs: "The main findings of the review support the conclusion that membership of, association with, or influence by the Muslim Brotherhood should be considered as a possible indicator of extremism."
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La Mer lowdown
La Mer beach is open from 10am until midnight, daily, and is located in Jumeirah 1, well after Kite Beach. Some restaurants, like Cupagahwa, are open from 8am for breakfast; most others start at noon. At the time of writing, we noticed that signs for Vicolo, an Italian eatery, and Kaftan, a Turkish restaurant, indicated that these two restaurants will be open soon, most likely this month. Parking is available, as well as a Dh100 all-day valet option or a Dh50 valet service if you’re just stopping by for a few hours.
UAE v Gibraltar
What: International friendly
When: 7pm kick off
Where: Rugby Park, Dubai Sports City
Admission: Free
Online: The match will be broadcast live on Dubai Exiles’ Facebook page
UAE squad: Lucas Waddington (Dubai Exiles), Gio Fourie (Exiles), Craig Nutt (Abu Dhabi Harlequins), Phil Brady (Harlequins), Daniel Perry (Dubai Hurricanes), Esekaia Dranibota (Harlequins), Matt Mills (Exiles), Jaen Botes (Exiles), Kristian Stinson (Exiles), Murray Reason (Abu Dhabi Saracens), Dave Knight (Hurricanes), Ross Samson (Jebel Ali Dragons), DuRandt Gerber (Exiles), Saki Naisau (Dragons), Andrew Powell (Hurricanes), Emosi Vacanau (Harlequins), Niko Volavola (Dragons), Matt Richards (Dragons), Luke Stevenson (Harlequins), Josh Ives (Dubai Sports City Eagles), Sean Stevens (Saracens), Thinus Steyn (Exiles)
Notable salonnières of the Middle East through history
Al Khasan (Okaz, Saudi Arabia)
Tamadir bint Amr Al Harith, known simply as Al Khasan, was a poet from Najd famed for elegies, earning great renown for the eulogy of her brothers Mu’awiyah and Sakhr, both killed in tribal wars. Although not a salonnière, this prestigious 7th century poet fostered a culture of literary criticism and could be found standing in the souq of Okaz and reciting her poetry, publicly pronouncing her views and inviting others to join in the debate on scholarship. She later converted to Islam.
Maryana Marrash (Aleppo)
A poet and writer, Marrash helped revive the tradition of the salon and was an active part of the Nadha movement, or Arab Renaissance. Born to an established family in Aleppo in Ottoman Syria in 1848, Marrash was educated at missionary schools in Aleppo and Beirut at a time when many women did not receive an education. After touring Europe, she began to host salons where writers played chess and cards, competed in the art of poetry, and discussed literature and politics. An accomplished singer and canon player, music and dancing were a part of these evenings.
Princess Nazil Fadil (Cairo)
Princess Nazil Fadil gathered religious, literary and political elite together at her Cairo palace, although she stopped short of inviting women. The princess, a niece of Khedive Ismail, believed that Egypt’s situation could only be solved through education and she donated her own property to help fund the first modern Egyptian University in Cairo.
Mayy Ziyadah (Cairo)
Ziyadah was the first to entertain both men and women at her Cairo salon, founded in 1913. The writer, poet, public speaker and critic, her writing explored language, religious identity, language, nationalism and hierarchy. Born in Nazareth, Palestine, to a Lebanese father and Palestinian mother, her salon was open to different social classes and earned comparisons with souq of where Al Khansa herself once recited.
How to apply for a drone permit
- Individuals must register on UAE Drone app or website using their UAE Pass
- Add all their personal details, including name, nationality, passport number, Emiratis ID, email and phone number
- Upload the training certificate from a centre accredited by the GCAA
- Submit their request
What are the regulations?
- Fly it within visual line of sight
- Never over populated areas
- Ensure maximum flying height of 400 feet (122 metres) above ground level is not crossed
- Users must avoid flying over restricted areas listed on the UAE Drone app
- Only fly the drone during the day, and never at night
- Should have a live feed of the drone flight
- Drones must weigh 5 kg or less
The National's picks
4.35pm: Tilal Al Khalediah
5.10pm: Continous
5.45pm: Raging Torrent
6.20pm: West Acre
7pm: Flood Zone
7.40pm: Straight No Chaser
8.15pm: Romantic Warrior
8.50pm: Calandogan
9.30pm: Forever Young
The bio
Favourite book: Peter Rabbit. I used to read it to my three children and still read it myself. If I am feeling down it brings back good memories.
Best thing about your job: Getting to help people. My mum always told me never to pass up an opportunity to do a good deed.
Best part of life in the UAE: The weather. The constant sunshine is amazing and there is always something to do, you have so many options when it comes to how to spend your day.
Favourite holiday destination: Malaysia. I went there for my honeymoon and ended up volunteering to teach local children for a few hours each day. It is such a special place and I plan to retire there one day.
Army of the Dead
Director: Zack Snyder
Stars: Dave Bautista, Ella Purnell, Omari Hardwick, Ana de la Reguera
Three stars
Who's who in Yemen conflict
Houthis: Iran-backed rebels who occupy Sanaa and run unrecognised government
Yemeni government: Exiled government in Aden led by eight-member Presidential Leadership Council
Southern Transitional Council: Faction in Yemeni government that seeks autonomy for the south
Habrish 'rebels': Tribal-backed forces feuding with STC over control of oil in government territory
What is an FTO Designation?
FTO designations impose immigration restrictions on members of the organisation simply by virtue of their membership and triggers a criminal prohibition on knowingly providing material support or resources to the designated organisation as well as asset freezes.
It is a crime for a person in the United States or subject to the jurisdiction of the United States to knowingly provide “material support or resources” to or receive military-type training from or on behalf of a designated FTO.
Representatives and members of a designated FTO, if they are aliens, are inadmissible to and, in certain circumstances removable from, the United States.
Except as authorised by the Secretary of the Treasury, any US financial institution that becomes aware that it has possession of or control over funds in which an FTO or its agent has an interest must retain possession of or control over the funds and report the funds to the Treasury Department.
Source: US Department of State
Stage result
1. Jasper Philipsen (Bel) Alpecin-Fenix 4:42:34
2. Sam Bennett (Irl) Bora-Hansgrohe
3. Elia Viviani (Ita) Ineos Grenadiers
4. Dylan Groenewegen (Ned) BikeExchange-Jayco
5. Emils Liepins (Lat) Trek-Segafredo
6. Arnaud Demare (Fra) Groupama-FDJ
7. Max Kanter (Ger) Movistar Team
8. Olav Kooij (Ned) Jumbo-Visma
9. Tom Devriendt (Bel) Intermarché-Wanty-Gobert Matériaux
10. Pascal Ackermann (Ger) UAE Team Emirate
THE SPECS
Engine: 1.5-litre
Transmission: 6-speed automatic
Power: 110 horsepower
Torque: 147Nm
Price: From Dh59,700
On sale: now
Asia Cup Qualifier
Venue: Kuala Lumpur
Result: Winners play at Asia Cup in Dubai and Abu Dhabi in September
Fixtures:
Wed Aug 29: Malaysia v Hong Kong, Nepal v Oman, UAE v Singapore
Thu Aug 30: UAE v Nepal, Hong Kong v Singapore, Malaysia v Oman
Sat Sep 1: UAE v Hong Kong, Oman v Singapore, Malaysia v Nepal
Sun Sep 2: Hong Kong v Oman, Malaysia v UAE, Nepal v Singapore
Tue Sep 4: Malaysia v Singapore, UAE v Oman, Nepal v Hong Kong
Thu Sep 6: Final
Asia Cup
Venue: Dubai and Abu Dhabi
Schedule: Sep 15-28
Teams: Afghanistan, Bangladesh, India, Pakistan, Sri Lanka, plus the winner of the Qualifier
Dust and sand storms compared
Sand storm
- Particle size: Larger, heavier sand grains
- Visibility: Often dramatic with thick "walls" of sand
- Duration: Short-lived, typically localised
- Travel distance: Limited
- Source: Open desert areas with strong winds
Dust storm
- Particle size: Much finer, lightweight particles
- Visibility: Hazy skies but less intense
- Duration: Can linger for days
- Travel distance: Long-range, up to thousands of kilometres
- Source: Can be carried from distant regions
Sustainable Development Goals
1. End poverty in all its forms everywhere
2. End hunger, achieve food security and improved nutrition and promote sustainable agriculture
3. Ensure healthy lives and promote well-being for all at all ages
4. Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all
5. Achieve gender equality and empower all women and girls
6. Ensure availability and sustainable management of water and sanitation for all
7. Ensure access to affordable, reliable, sustainable and modern energy for all
8. Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all
9. Build resilient infrastructure, promote inclusive and sustainable industrialisation and foster innovation
10. Reduce inequality within and among countries
11. Make cities and human settlements inclusive, safe, resilient and sustainable
12. Ensure sustainable consumption and production patterns
13. Take urgent action to combat climate change and its effects
14. Conserve and sustainably use the oceans, seas and marine resources for sustainable development
15. Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss
16. Promote peaceful and inclusive societies for sustainable development, provide access to justice for all and build effective, accountable and inclusive institutions at all levels
17. Strengthen the means of implementation and revitalise the global partnership for sustainable development
Sole survivors
- Cecelia Crocker was on board Northwest Airlines Flight 255 in 1987 when it crashed in Detroit, killing 154 people, including her parents and brother. The plane had hit a light pole on take off
- George Lamson Jr, from Minnesota, was on a Galaxy Airlines flight that crashed in Reno in 1985, killing 68 people. His entire seat was launched out of the plane
- Bahia Bakari, then 12, survived when a Yemenia Airways flight crashed near the Comoros in 2009, killing 152. She was found clinging to wreckage after floating in the ocean for 13 hours.
- Jim Polehinke was the co-pilot and sole survivor of a 2006 Comair flight that crashed in Lexington, Kentucky, killing 49.
The Intruder
Director: Deon Taylor
Starring: Dennis Quaid, Michael Ealy, Meagan Good
One star
WHAT ARE NFTs?
Non-fungible tokens (NFTs) are tokens that represent ownership of unique items. They allow the tokenisation of things such as art, collectibles and even real estate.
An NFT can have only one official owner at one time. And since they're minted and secured on the Ethereum blockchain, no one can modify the record of ownership, not even copy-paste it into a new one.
This means NFTs are not interchangeable and cannot be exchanged with other items. In contrast, fungible items, such as fiat currencies, can be exchanged because their value defines them rather than their unique properties.
UAE currency: the story behind the money in your pockets
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READ MORE ABOUT CORONAVIRUS
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