Yawning is contagious due to mirror neurons copying others' actions. Yawning helps cool the brain and keep it alert, not just signal tiredness. Contagious yawning is linked to empathy and social ...

Global temperatures rising faster, sea levels increasing rapidly Coral die-off marks first climate tipping point, Amazon and Atlantic current at risk US climate work hit by Trump plans to cut, but ...

Winter nights are longer, giving more time to see bright stars. Cold, dry air in winter makes stars appear clearer and brighter. Constellations like Orion and Gemini are best seen during winter months ...

The past 12 months have been worrying for researchers who study the chemistry of the ocean. More and more evidence has been published showing that human activities are fundamentally altering this ...