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Flies cool themselves down by constantly blowing bubbles of spit

Life

Flies cool themselves down by constantly blowing bubbles of spit

Blowflies repeatedly blow bubbles of saliva, which look like brown bubble gum – and it turns out this odd behaviour helps them keep cool

News

I'm building a machine that breaks the rules of reality

Physics

I'm building a machine that breaks the rules of reality

Features

Forest fires engulfed homes when a heatwave hit Russia in 2010

Earth

US and Russia will soon face mega-heatwaves from climate change

News

Hot springs, Yellowstone National Park

Life

Ancient microbes caused Earth’s first ever global warming

News

Desert

Earth

Cold climate may have driven ancient humans’ move out of Africa

News

Ice

Earth

Gel-like ice is the lightest form of water ever discovered

News

Leaves of various sizes in greenery

Life

We may finally understand why tropical plants have huge leaves

News

Melting tundra

Earth

Uninhabitable Earth? In fact, it’s really hard to fry the planet

Analysis

Thwaites glacier

Earth

Living with climate change: What's the worst that can happen?

Features

The hottest planet yet is twice Jupiter’s size and hot as a star

Space

The hottest planet yet is twice Jupiter’s size and hot as a star

An exoplanet discovered orbiting a massive, scorching star 650 light years away is so hot that even its nightside hits temperatures higher than some stars

News

Physics

Three-atom molecule cooled to near absolute zero for first time

News

Earth

Big cities warm up during the week as commuters flock in

News

Technology

Squeezed light cools tiny drum to coldest temperature ever

News

Earth

Future air conditioning could work by beaming heat into space

News