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1st Place Hassanain Qambari & Jayden Dickson The Lions Eye Institute Department of Physiology & Pharmacology Perth, Western Australia, Australia Rodent optic nerve head showing astrocytes (yellow), contractile proteins (red) and retinal vasculature (green) Confocal, Fluorescence, Image Stacking 20X (Objective Lens Magnification)

91色情片

Intricate photo of rat’s retina wins Nikon Small World competition

See the inside of a rodent鈥檚 eye like never before, alongside other commended images from the Nikon Small World Photomicrography Competition

Our home galaxy, the Milky Way in a starry sky. The three bright stars Deneb (left), Vega (middle top), and Altair (right) form the Summer Triangle. The red cloud near the star Deneb is the North America Nebula.

Space

How to spot the constellation Aquila and its deep-sky objects

Motion Speed Light in London City; Shutterstock ID 1093994570; purchase_order: -; job: -; client: -; other: -

Is the speed of light in high gravity different from in low gravity?

2REAK4A world map of african countries and arabian sea, madagascar island and zambia in close up focus

Why is the east coast of Madagascar so straight?

BNYGBG Astronaut Ed White the First American to Conduct a Spacewalk on Gemini 4 Mission June 3rd 1965 - Manuevering gun in his Right hand and Tether Cable

This week鈥檚 new questions

Major breakthrough for beer-foam-aroma-measuring scientists

Tom Gauld: The rewilding project has exceeded our expectations

Twisteddoodles: After months of analysis, an answer is found

Middle aged asia people old mom holding hands trust comfort help young woman talk crying stress relief at home. Mum as friend love care hold hand adult child feel pain sad worry of life crisis issues.; Shutterstock ID 2274179825; purchase_order: -; job: -; client: -; other: -

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Can a single therapy session nudge us towards better mental health?

Middle-aged woman in glasses fell asleep while reading book at home, female sleeping with open mouth on sofa near coffee table with houseplant in living room. Sleep deprivation; Shutterstock ID 2122133960; purchase_order: -; job: -; client: -; other: -

Are we conscious when we are asleep?

It depends how we define consciousness, say our readers, who contrast the state of being asleep with the drug-induced coma of anaesthesia

Could we build a habitable dome on the surface of Venus? (continued)

This week鈥檚 new questions

Too fast, too furious? Ocelot and sloth caught in highish-speed chase

New Scientist Live: Inside the world’s best science and tech festival