BOSTON (Reuters) - Harvard University's investment arm, which oversees America's largest endowment, on Thursday said its portfolio lost 2 percent during the 2016 fiscal year, marking the single largest yearly decline since the financial crisis.

(Reuters) - The neutral interest rate to keep the economy in balance, R-star, is in hot debate among economists and central bankers as secular stagnation seems to have driven it lower.

WINNIPEG, Manitoba (Reuters) - Aboriginal tribes from Canada and the northern United States signed a treaty on Thursday to jointly fight proposals to build more pipelines to carry crude from Alberta's oil sands, saying further development would damage the environment.

WASHINGTON (Reuters) - In a warm, lush region of West Texas crisscrossed with rivers, a bizarre reptile roamed the Triassic Period landscape about 228 million years ago, boasting a bony domed head unlike almost any creature that ever appeared on Earth.

LA ESCOBILLA, Mexico (Reuters) - Nesting endangered marine turtles have arrived at La Escobilla beach on Mexico's Pacific coast, in their annual migration, a sign that life is about to burst forth from scorched grains of sand.

CLEVELAND (Reuters) - The family of a African-American man who died in 2010 after being tasered by Cleveland police will receive a $375,000 settlement from the city, the mayor’s office said on Thursday.

UNITED NATIONS (Reuters) - Britain should apologize for its 1917 declaration endorsing the founding of a Jewish homeland in Palestine and should recognize Palestine as a state, Palestinian President Mahmoud Abbas said on Thursday.

MILAN (Reuters) - Retro trenchcoats, feathered cuffs and brightly colored patterns hinting at the 1960s and 70s were among the highlights of Prada's spring/summer women's wear collection in Milan on Thursday.

BEIJING, Sept 22 (Reuters) - China has conditionally lifted an import ban on some shipments of U.S. boneless beef and beef on the bone, and will also ease restrictions on Canadian beef, the Asian nation's agriculture ministry and its premier said on Thursday.