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Scientists extract genetic secrets from 4,000-year-old teeth to illuminate the impact of changing human diets over the centuries

Researchers at Trinity College Dublin have recovered remarkably preserved microbiomes from two teeth dating back 4,000.years, found in an Irish limestone cave.

Henriette Lamprecht

Vor 4 Monaten 05 June 2024 - 2024-06-05 00:00:00

Genetic analyses of these microbiomes reveal major changes in the oral microenvironment from the Bronze Age to today. The teeth both belonged to the same male individual and also p

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Katima Mulilo: 20° | 37° Rundu: 22° | 37° Eenhana: 21° | 37° Oshakati: 20° | 37° Ruacana: 19° | 37° Tsumeb: 23° | 36° Otjiwarongo: 20° | 36° Omaruru: 18° | 37° Windhoek: 19° | 34° Gobabis: 19° | 36° Henties Bay: 14° | 20° Wind speed: 17km/h, Wind direction: SW, Low tide: 08:56, High tide: 03:15, Low Tide: 21:17, High tide: 15:18 Swakopmund: 14° | 15° Wind speed: 15km/h, Wind direction: NW, Low tide: 08:54, High tide: 03:13, Low Tide: 21:15, High tide: 15:16 Walvis Bay: 13° | 20° Wind speed: 18km/h, Wind direction: W, Low tide: 08:54, High tide: 03:12, Low Tide: 21:15, High tide: 15:15 Rehoboth: 18° | 36° Mariental: 20° | 38° Keetmanshoop: 21° | 38° Aranos: 19° | 39° Lüderitz: 15° | 28° Ariamsvlei: 20° | 38° Oranjemund: 14° | 21° Luanda: 25° | 26° Gaborone: 20° | 37° Lubumbashi: 18° | 32° Mbabane: 15° | 35° Maseru: 15° | 32° Antananarivo: 17° | 30° Lilongwe: 21° | 31° Maputo: 20° | 36° Windhoek: 19° | 34° Cape Town: 16° | 24° Durban: 18° | 26° Johannesburg: 19° | 32° Dar es Salaam: 25° | 31° Lusaka: 19° | 31° Harare: 17° | 31° Currency: GBP to NAD 22.73 | EUR to NAD 19.15 | CNY to NAD 2.47 | USD to NAD 17.63 | DZD to NAD 0.13 | AOA to NAD 0.02 | BWP to NAD 1.27 | EGP to NAD 0.35 | KES to NAD 0.14 | NGN to NAD 0.01 | ZMW to NAD 0.65 | ZWL to NAD 0.04 | BRL to NAD 3.04 | RUB to NAD 0.18 | INR to NAD 0.21 | USD to DZD 132.82 | USD to AOA 909.05 | USD to BWP 13.42 | USD to EGP 48.9 | USD to KES 129.2 | USD to NGN 1650.78 | USD to ZAR 17.64 | USD to ZMW 26.75 | USD to ZWL 321 | Stock Exchange: JSE All Share Index Same 0 | Namibian Stock Exchange (NSX) Overall Index 1855.18 Down -0.76% | Casablanca Stock Exchange (CSE) MASI 14168.1 Down -0.1% | Egyptian Exchange (EGX) 30 Index 30658 Up +0.94% | Botswana Stock Exchange (BSE) DCI 9844.57 Same 0 | NSX: MTC 7.75 SAME | Anirep 8.99 SAME | Capricorn Investment group 17.34 SAME | FirstRand Namibia Ltd 49 DOWN 0.50% | Letshego Holdings (Namibia) Ltd 4.1 UP 2.50% | Namibia Asset Management Ltd 0.7 SAME | Namibia Breweries Ltd 31.49 UP 0.03% | Nictus Holdings - 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Nam 2.22 SAME | Oryx Properties Ltd 12.1 UP 1.70% | Paratus Namibia Holdings 11.99 SAME | SBN Holdings 8.45 SAME | Trustco Group Holdings Ltd 0.48 SAME | B2Gold Corporation 47.34 DOWN 1.50% | Local Index closed 677.62 UP 0.12% | Overall Index closed 1534.6 DOWN 0.05% | Osino Resources Corp 19.47 DOWN 2.41% | Commodities: Gold US$ 2 754.14/OZ UP +0.27% | Copper US$ 4.34/lb DOWN -0.0015 | Zinc US$ 3 036.50/T DOWN -0.02% | Brent Crude Oil US$ 75.18/BBP UP +0.97% | Platinum US$ 991.18/OZ UP +0.13%