After Richard Sanchez opened the scoring for Paraguay in the 37th minute, Messi converted a 57th-minute penalty kick awarded by video review following a handball by a defender inside the box.
Decades of underfunding has decimated the scientific community of Argentina, sending top-level scientists to neighbouring Chile and beyond to continue their vital research.
The strike to protest the government's inability to reduce inflation has paralysed public transport while all flights to and from the country's airports were cancelled. Banks, schools and universities remained closed.
Police said that at least 23 people have been killed by armed bandits in Nigeria's northwestern Zamfara state.
The protest comes as a battle continues to legalize abortions in Argentina, where terminations are currently only permitted in cases of rape, or if the mother's health is at risk.
The troops, set to deploy until the end of September, will add to around 2,900 active duty military and 2,000 National Guard members currently posted to the border.
The two remaining pandas, Bai Yun and her six-year-old cub Xiao Liwu, will be sent to China in the coming days after three weeks of goodbyes that culminated over the weekend, the last chance for Californians to see them.
In a country that produces enough food to feed 10 times its population, around eight percent of Argentinians can hardly afford one meal per day.
US and dozens of other countries recognise opposition leader Juan Guaido as oil-rich country's interim leader against President Nicolas Maduro, who refuses to step down and accuses Guaido of being a US puppet.
Messi shows flashes of brilliance but it was not his night as Venezuela put three past their more illustrious rivals for the first time with goals from Salomon Rondon, Jhon Murillo and Josef Martinez.
Former Argentine president and current Senator Cristina Kirchner enjoys partial immunity shields her from imprisonment, as she faces another corruption investigation in which she is accused of having received tens of millions of dollars in bribes.
How the indigenous communities in northern Argentina resist the aggressive push of mining companies and hold on to their old culture.
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