Testosterone promotes both aggression and 'cuddling' in gerbils, study finds

Research conducted with Mongolian gerbils, rodents that form lasting pair bonds and raise their pups together, has revealed how testosterone influences the neural activity of oxytocin cells, the so-called love hormone associated with social bonding. (Aubrey Kelly) Research conducted with Mongolian gerbils, rodents that form lasting pair bonds and raise their pups together, has revealed how testosterone influences the neural activity of oxytocin cells, the so-called love hormone associated with social bonding. (Aubrey Kelly)

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Ukrainian troops claim gains in Russia-annexed region

Ukrainian troops pushed forward Monday with their offensive that has embarrassed Moscow, with Kyiv officials and foreign observers hinting at new gains in the strategic southern region of Kherson that the Kremlin wants to annex.

Assessed control of terrain in Ukraine as of 1:30 p.m. ET on Oct. 3, 2022 (Map by CTV News' Jasna Baric / Information from Institute for the Study of War and Critical Threats)

The big day is here: Quebecers head to the polls

Quebecers are casting their votes Monday after a five-week election campaign. Incumbent premier Francois Legault's CAQ party has held a comfortable lead since the campaign began, but the battle for second has been tight between the four main opposition parties: Liberals, Quebec solidaire, Parti Quebecois and Conservative Party of Quebec.

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