CNNE 770515 - el asteroide letal que no pudo con las bacterias
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El asteroide que arrasó con casi toda la vida en la Tierra no pudo con las bacterias
Panorama Mundial
17:21 ET (22:21 GMT) 4 de febrero de 2020
El asteroide Chicxulub causó la extinción del 76% de las especies del planeta Tierra, incluyendo los dinosaurios, hace unos 66 millones de años. Como el polvo enturbió la atmósfera y bloqueó el Sol, la fotosíntesis disminuyó y el fitoplancton de los océanos dejó de producir oxígeno. Las condiciones eran casi imposibles para que la vida prosperara. En los días y décadas posteriores al impacto solo unos organismos reaparecieron en el cráter.
00:34 - Fuente: CNN
MÁS DE PANORAMA MUNDIAL 16 videos
CNNE 770515 - el asteroide letal que no pudo con las bacterias
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El asteroide que arrasó con casi toda la vida en la Tierra no pudo con las bacterias
00:34
En curso
- Fuente: CNN
LVIV, UKRAINE - MAY 03: An electricity pylon is illuminated by torchlight as police and engineers inspect the area following explosions after a Russian missile strike on May 3, 2022 in Lviv, Ukraine. Lviv Mayor Andriy Sadovyi said on the social media service Telegram that multiple power substations had been damaged by missile strikes, injuring at least two people, and some parts of the city are experiencing power outages. (Photo by Leon Neal/Getty Images) (Photo by Leon Neal/Getty Images)
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Rusia lanza ataque contra infraestructura eléctrica de Ucrania y provoca graves daños
00:40
En curso
- Fuente: CNN
ANKARA, TURKEY - DECEMBER 13: US Secretary of State Antony Blinken meets with Turkish Minister of Foreign Affairs Hakan Fidan on December 13, 2024 in Ankara, Turkey. Blinken has returned to the region to discuss the establishment of greater stability in Syria, where Turkey and the US have supported competing rebel factions. (Photo by EPA - Pool/Getty Images)
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Sorpresivo viaje de Antony Blinken a Iraq para tratar la situación de Siria
01:14
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- Fuente: CNN
People check the damage outside the Kamal Adwan hospital in Beit Lahia in the northern Gaza Strip, following Israeli strikes around the medical complex on December 6, 2024, as the war between Israel and the Palestinian Hamas militant group continues. (Photo by AFP) (Photo by -/AFP via Getty Images)
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Hospital en el norte de Gaza es alcanzado por un bombardeo israelí
01:04
En curso
- Fuente: CNN
DAMASCUS, SYRIA - DECEMBER 13: In this aerial view, people unfurl a large Syrian flag as they celebrate in Umayyad Square after Friday Prayers on December 13, 2024 in Damascus, Syria. Last week, rebel forces in Syria retook the capital from longtime ruler Bashar al-Assad, who fled the country for Moscow. The fall of the Assad regime marks a new chapter for Syria, which has been mired in a multi-party civil war since 2011, sparked by the Arab Spring uprisings. (Photo by Ali Haj Suleiman/Getty Images)
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Siria celebra su primer viernes de oración desde la caída de Assad
02:35
En curso
- Fuente: CNN
Delegates attend the LXV Mercosur Summit in Montevideo on December 6, 2024. Mercosur and the European Union have concluded "negotiations for a free trade agreement," European Commission President Ursula von der Leyen announced in Montevideo on December 6. (Photo by EITAN ABRAMOVICH / AFP) (Photo by EITAN ABRAMOVICH/AFP via Getty Images)
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En curso
- Fuente: CNN
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- Fuente: CNN
This illustration photograph taken on November 22, 2024 in Istanbul shows physical banknotes and coin imitations of the Bitcoin crypto currency. Most markets gained Friday after a bounce on Wall Street, while bitcoin continued its march higher to move within touching distance of the $100,000 mark. (Photo by Ozan KOSE / AFP) (Photo by OZAN KOSE/AFP via Getty Images)
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En curso
- Fuente: CNN
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06:39
En curso
- Fuente: CNN
BROWNSVILLE, TEXAS - NOVEMBER 19: U.S. President-elect Donald Trump attends a viewing of the launch of the sixth test flight of the SpaceX Starship rocket on November 19, 2024 in Brownsville, Texas. SpaceX’s billionaire owner, Elon Musk, a Trump confidante, has been tapped to lead the new Department of Government Efficiency alongside former presidential candidate Vivek Ramaswamy. (Photo by Brandon Bell/Getty Images)
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Wall Street no cree las amenazas de deportaciones masivas de Trump
03:25
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- Fuente: CNN
TOPSHOT - A man holds the South Korea flag outside the National Assembly in Seoul on December 4, 2024, after President Yoon Suk Yeol declared emergency martial law. South Korea's President Yoon Suk Yeol on December 3 declared emergency martial law, saying the step was necessary to protect the country from "communist forces" amid parliamentary wrangling over a budget bill. (Photo by ANTHONY WALLACE / AFP) (Photo by ANTHONY WALLACE/AFP via Getty Images)
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¿Tiene Corea del Norte influencia política en su vecino del sur?
04:52
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- Fuente: CNN
Migrants and asylum seekers are seen at Juventud 2000 shelter in Tijuana, Baja California state, Mexico, on November 6, 2024, on the aftermath of the US presidential election. Mexican President Claudia Sheinbaum said Wednesday that Donald Trump's election victory was "no cause for concern" for her country, despite his threats of tariffs and mass migrant deportations. (Photo by Guillermo Arias / AFP) (Photo by GUILLERMO ARIAS/AFP via Getty Images)
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Los albergues colapsan si hay deportaciones masivas, alerta experto
03:17
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- Fuente: CNN
Anti-regime fighters are stationed at the airport in the northern Syrian city of Aleppo on December 2, 2024. The Islamist Hayat Tahrir al-Sham (HTS) group and allied factions took over Aleppo city at the weekend, except for neighbourhoods controlled by Kurdish forces, according to the Syrian Observatory for Human Rights. (Photo by OMAR HAJ KADOUR / AFP) (Photo by OMAR HAJ KADOUR/AFP via Getty Images)
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Los factores del éxito de ataques rebeldes en Siria
06:36
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- Fuente: CNN
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01:27
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- Fuente: CNN
El humo se eleva sobre los suburbios del sur de Beirut después de los ataques israelíes del martes. Crédito: Mohamed Azakir/Reuters.
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Israel acuerda un cese del fuego con Hezbollah en el Líbano por 60 días
02:03
En curso
- Fuente: CNN
Crédito: Getty Images
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Trump anuncia aranceles del 25% para México y Canadá desde su primer día de gobierno
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En curso
- Fuente: CNN