Many species of birds are nesting and laying eggs nearly a month earlier than they did 100 years ago in the Chicago area and researchers believe climate change is behind it.

Those were among the findings in a new study published in the Journal of Animal Ecology. Researchers compared recent observations with century-old eggs preserved in museum collections.

With north London rivals Tottenham and Arsenal neck and neck, the fight for Champions League qualification looks like being as hard fought as the title race in the English Premier League.

Tottenham's superior attacking power might yet prove decisive in the final stretch.

Inter Milan halted its poor run of form in the best possible way by beating fierce rival Juventus 1-0 to boost its Serie A title chances and hinder its opponent's own hopes on Sunday.

Hakan Çalhanoğlu converted a penalty at the second time of asking in first-half stoppage time. Defending champion Inter moved to within three points of leaders AC Milan and Napoli, which won at Atalanta 3-1 earlier.

With a statement win against Sevilla, Barcelona showed it wasn't giving up yet in the fight for the Spanish league.

Barcelona's revamped team under coach Xavi Hernández kept its momentum and moved into second place for the first time this season after beating Sevilla 1-0 at home on Sunday.

Diego Simeone was working in Argentina in the early years of his coaching career when he requested to attend some training sessions at Barcelona, led at the time by Pep Guardiola.

Barcelona was the pre-eminent club in world soccer, revolutionising the game between 2008-12 with its "tiki-taka" passing style favored by Guardiola and mastered by the likes of Andrés Iniesta and Xavi Hernández.

First came the warnings, in messages among friends and families and on social media, to stock up on vital drugs in Russia before supplies were affected by crippling Western sanctions over the invasion of Ukraine.

Then, some drugs indeed became harder to find at pharmacies in Moscow and other cities.

Sri Lanka's president asked opposition parties to form a unity government on Monday after his Cabinet resigned amid public protests over the country's worst economic crisis in memory and deepening mistrust in his leadership.

All 26 ministers of the Rajapaksa government handed in their resignations Sunday night after thousands of people held street protests denouncing the government despite a countrywide state of emergency and a curfew.

Global shares were mixed Monday, with European stocks mostly lower after a day of gains in Asia.

Paris, Frankfurt, Tokyo and Hong Kong rose. London was little changed. Shanghai was closed for a holiday.

Tesla CEO Elon Musk has taken a 9.2% stake in Twitter, purchasing approximately 73.5 million shares, according to a regulatory filing Monday.

Musk's stake in Twitter is considered a passive investment, which means Musk is a long-term investor that's looking to minimize his buying and selling of the shares.

For hundreds of years, raging blast furnaces — fed with coking coal — have forged steel used in cars, railways, bridges and skyscrapers.

But the puffs of coal-fired smoke are a big source of carbon dioxide, the heat-trapping gas that's driving climate change.