Keeps

Powerful radar system is providing new data on city’s subsidence, which experts hope will draw more attention to itWalking into Mexico City’s sprawling central Zócalo is a dizzying experience. At one end of the plaza, the capital’s cathedral, with its soaring spires, slumps in one direction. An attached church, known as the Metropolitan Sanctuary, tilts in the other. The nearby National Palace also seems off-kilter.The teetering of many of the capital’s historic buildings is the most visible sign of a phenomenon that has been ongoing for more than a century: Mexico City is sinking at an alarming rate. Continue reading...

• Researchers at UCL and UCLH conducted a trial where patients with stage 2 or 3 colorectal cancer received just nine weeks of pembrolizumab immunotherapy before surgery, challenging the standard approach of surgery followed by months of chemotherapy. • Early results showed 59% of patients had no detectable cancer after completing immunotherapy and undergoing surgery, and after 33 months of follow-up, none of the patients have experienced a relapse. • This outcome represents a significant shift in colorectal cancer treatment protocols, suggesting that short bursts of targeted immunotherapy prior to surgery may deliver more durable results than conventional post-operative chemotherapy regimens.

Beijing seeks to decipher effect of Iran war on US midterms and best way to apply pressure when Trump meets XiThe White House said on Wednesday that China had agreed to postpone Donald Trump’s visit to Beijing, as war in the Middle East rages on, complicating the US president’s position at home and abroad.China has not yet commented on the delay to the highly anticipated trip, in which Trump and the Chinese president, Xi Jinping, will meet in person for the first time since October. Trump previously said he hoped to delay the trip, originally scheduled to run from 31 March to 2 April, for “five or six weeks”. Continue reading...