快猫短视频

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^BHormone replacement therapy.^b Close-up of Hormone Replacement Therapy (HRT) pills in a circular dispenser. HRT pills are synthetic hormones used to treat menopausal women. They counteract the hormone deficiency that occurs at menopause. These pills contain oestrogen, and often progestogen, drugs. HRT helps to prevent ^Iosteoporosis,^i ^Iatherosclerosis^i and ^Iatrophic vaginitis^i (where the vagina becomes thin and dry). Pills are taken daily on a monthly basis to coincide with the menstrual cycle. Adverse effects include nausea, tenderness of the breasts, fluid retention and leg cramps.

Health

Outdated research on HRT is letting people down

Humans

Who is Ancestor X? The biggest mystery in human evolution

Health

Should you take HRT? Here’s how to think clearly about the risks

Space

The time-lapse telescope that will transform our view of the universe

Table of contents

Leaders

^BHormone replacement therapy.^b Close-up of Hormone Replacement Therapy (HRT) pills in a circular dispenser. HRT pills are synthetic hormones used to treat menopausal women. They counteract the hormone deficiency that occurs at menopause. These pills contain oestrogen, and often progestogen, drugs. HRT helps to prevent ^Iosteoporosis,^i ^Iatherosclerosis^i and ^Iatrophic vaginitis^i (where the vagina becomes thin and dry). Pills are taken daily on a monthly basis to coincide with the menstrual cycle. Adverse effects include nausea, tenderness of the breasts, fluid retention and leg cramps.

Health

Outdated research on HRT is letting people down

It's time to be clear about the evidence around hormone replacement therapy and let people make up their own minds

快猫短视频

A road damaged by flood waters following heavy monsoon rains in Madian, Pakistan

Environment

Deadly Pakistan floods are a climate catastrophe, says UN chief

Eight weeks of torrential rain during a severe monsoon season have left a third of Pakistan underwater, in the worst flooding since 2010

Technology

Anti-laser can make any object suck in light

Health

Synthetic mouse embryos with rudimentary brain grown in the lab

Life

Mucus has evolved at least 15 times in mammals

Space

JWST found carbon dioxide in an exoplanet atmosphere 鈥� and a mystery

Physics

Researchers have worked out the rules for how some things wrinkle

Health

Drugs that mutate viruses to kill them could make them more dangerous

Technology

Face recognition struggles to recognise us after five years of ageing

Life

Heat-loving, oil-eating bacteria are seeping out of the seafloor

Technology

Underwater data centre in the Pacific could be running by end of year

Physics

Best evidence yet that fifth fundamental 鈥榗hameleon鈥� force isn鈥檛 real

Technology

Short animations could 鈥榠noculate鈥� YouTube users against fake news

Life

Fungi evolved their weird and wild shapes in two big bursts

Health

Psilocybin therapy seems to help some people give up drinking alcohol

Life

Two-legged dinosaur from Zimbabwe is the oldest ever found in Africa

Technology

Squishable computer runs calculations depending on how you squish it

Mind

Rapid eye movements during sleep reveal where mice look in dreams

Physics

Plasmas could be used to make the world’s most powerful laser

Humans

Human ancestors may have walked on two legs 7 million years ago

Technology

AI-created lenses let camera ignore some objects when taking pictures

Space

JWST has taken even more beautiful images of Jupiter and its aurora

Health

Malaria vaccine using live modified parasites shows promise in trial

Technology

Fire-resistant aluminium-sulphur battery charges in under a minute

Technology

3D-printed wood could start flat then twist into furniture as it dries

Analysis

Artist Ciaran Gallagher painting a mural in Belfast depicting the candidates vying to be the next UK prime minister

Technology

Tory leadership contest’s online vote is still vulnerable to hackers

Hacking concerns continue to dog the online Conservative party vote, which will decide next UK prime minister 鈥� should online voting even be used in such situations?

Environment

Our neighbouring planets can help us understand Earth’s climate change

Humans

How I gave a TED talk on dark matter

Aperture

Roberto Garc?a-Roa

Life

Grisly photo of a zombie fungus bursting from a fly wins competition

This dramatic image of the fruiting bodies of a parasitic fungus erupting from a fly's body won Roberto Garc铆a Roa the top prize in the BMC Ecology and Evolution image competition

Features

Health

Should you take HRT? Here’s how to think clearly about the risks

Hormone replacement therapy has a bad reputation because of potential risks to long-term health. A new look at the evidence could change our relationship with HRT - and the menopause

Space

The time-lapse telescope that will transform our view of the universe

Humans

Who is Ancestor X? The biggest mystery in human evolution

Culture

Experienced inspector or investigator in protective suite collecting evidence and taking photos about crime scene in the forest.

Humans

Planting Clues review: Intriguing tales about plants鈥� role in crime

From working out a dead person's last meal to the possible poisoning of the Buddha, a new book from David J. Gibson has some great tales about how plants help solve crimes 鈥� and are used to commit them

Humans

Nomad Century review: a bold plan to manage climate migration

Humans

Don鈥檛 Miss: A fantastical journey through The Science of Middle Earth

Humans

The Directors review: Five intimate short films about psychosis

More

2CAED7C Closeup shot of red Miracle fruit on a branch in a garden on a sunny afternoon

Humans

How miracle berries turn sour foods sweet

The fruit of Synsepalum dulcificum, a plant native to West Africa, doesn't taste sugary on its own, but any sour food you eat afterwards will turn miraculously sweet

Tom Gauld on graduate students

Twisteddoodles on artificial intelligence and art

Regulars

On the trail of the lost Welsh kingdom of Cantre鈥檙 Gwaelod

Feedback looks into the identification of two lost islands in Cardigan Bay, while also exploring a plaster sculpture of an 18th-century infant Jesus that bears a striking resemblance to Mark Zuckerberg

This Week鈥檚 Letters

What is the best angle to hold a hosepipe at to spray water furthest?

What percentage of carbon dioxide emissions is from us breathing out?

Does anything actually cure hiccups? (Part 2)

This week鈥檚 new questions

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