Russian forces in Ukraine were on the verge of one of their worst defeats of the war on Friday even as President Vladimir Putin was due to proclaim the annexation of territory seized in his invasion.
- WorldQ+A Nord Stream gas 'sabotage': who's being blamed and why?
Major leaks that suddenly erupted in the Nord Stream gas pipelines that run from Russia to Europe under the Baltic Sea have generated plenty of theories but few clear answers about who or what caused the damage.
- Healthcare & PharmaceuticalsAnalysis: Eisai's trial success raises hope for Alzheimer's prevention
Clear evidence this week that Eisai and Biogen's drug lecanemab slows cognitive decline in early stage dementia has galvanized efforts among Alzheimer's researchers toward a tantalizing goal - preventing dementia even before symptoms start.