SCIENCE

Nearly 450,000 Afghans have returned from Iran since the start of June, the UN's refugee agency said on Monday, after Tehran ordered those without documentation to leave by July 6.

Rescuers were racing against time Sunday to find dozens of missing people, including children, swept away by flash floods that killed more than 50 in Texas, as forecasters warned of new deluges.

Tens of thousands of Afghans streamed over the border from Iran in the days before a return deadline set for Sunday, the United Nations said, sparking an "emergency" situation at border points.

Oblivious to the punishing midday heat, a wheeled robot powered by the sun and infused with artificial intelligence carefully combs a cotton field in California, plucking out weeds.

BRICS leaders meeting in Rio de Janeiro from Sunday are expected to decry US President Donald Trump's "indiscriminate" trade tariffs, saying they are illegal and risk hurting the global economy.

Rescuers were on Saturday searching for more than 20 girls missing from a riverside summer camp in the US state of Texas, after torrential rains caused devastating flooding that killed 24 people -- with more rain on the way.

The River Seine reopened to swimmers on Saturday morning in Paris, allowing people to take a dip in the French capital's iconic waterway for the first time since 1923.

The death toll from flash floods in south-central Texas rose to 24 on Friday, officials said, as the search for at least 20 girls missing from a summer camp continued.

Far more than another tech product, WorldCare.ai positions itself as a worldwide movement, a bold stand against broken systems, bureaucratic gatekeeping, and AI gimmickry.

Equatorial Guinea launched a case against France at the top United Nations court on Friday, the latest salvo in a long-running legal battle over a swanky Paris mansion confiscated by French authorities.

A wildfire on the island of Crete that forced the evacuation of 5,000 tourists and locals is "retreating", Greek firefighters told AFP on Friday, but a new blaze fanned by strong winds is spreading east of the capital, Athens.

The snow and ice accumulated last winter by Switzerland's glaciers has already melted away, a monitoring service said, with Friday marking the alarming second-earliest arrival on record of the tipping point known as glacier loss day.

A summit of BRICS nations will convene in Rio de Janeiro on Sunday and Monday, with members hoping to weigh in on global crises while tiptoeing around US President Donald Trump's policies.

A polar air mass has brought record low temperatures to Argentina, Chile and Uruguay, causing at least 15 deaths and forcing governments to restrict gas supplies and activate emergency shelters.

The Inter-American Court of Human Rights ruled Thursday that countries belonging to the Organization of American States (OAS) have an obligation to take "all necessary measures" to protect populations from climate change.

Elisa C. Alvarado, M.D, notes how advances in diagnostics and medicine now offer more targeted relief, and lifestyle adjustments can further support recovery.

Indian Prime Minister Nerendra Modi on Thursday outlined plans for deeper ties between his country and Africa, as New Delhi increasingly vies for a stronger economic presence on the continent along with China and Russia.