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energy and fuels

Dark energy

Definition

Dark energy

Dark energy is a mysterious force making the universe fly apart faster and faster.   Its discovery came from one of the most unexpected results in the history of astronomy: in the late 1990s, two groups studying far-off supernovae discovered that these explosions of dying, overmassive stars were consistently fainter than expected.
trinity nuclear test explosion

Definition

The invention of the nuclear bomb

Archimedes screw

Environment

UK’s National Trust to sell off fossil fuel investments worth £45m

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self-unfolding device

Technology

A solar panel that unfolds in sunlight could power spacecraft

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hiv in blood

Health

Have mice really been cured of HIV using CRISPR gene editing?

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woman and child at Rabai hospital, Kenya

Health

When US pulls overseas abortion funding, abortion rates go up not down

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The sad tale of the US Navy's surplus military dolphins

Life

The sad tale of the US Navy's surplus military dolphins

Regulars

A person looks at a pregnancy test

Health

IVF success rates peak as only one in four attempts achieve pregnancy

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solar panel and wildflowers

Environment

Solar farms could be wildlife havens that tackle biodiversity crisis

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Sperm bank. Frozen sperm stored in liquid nitrogen.

Health

Storing sperm in a freezer for a decade hardly affects birth rates

Many countries impose time limits on storing frozen sperm, but a sperm bank study has found this may not be necessary as it has little effect on birth rates

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Life

Hundreds of orcas hold an annual meeting and now we may know why

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Life

Death of mother prompts adolescent chimps to look after their siblings

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Health

The pioneering podcast that's breaking the silence on women's health

Culture

Definition

Cosmic microwave background

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