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2HR09CM Killer whale, Orcinus orca, spy hop, Vestfjord, Ofotfjord, and Tysfjord, Lofoten Islands, Norway, Atlantic Ocean

Why don鈥檛 orcas attack humans?

Orca diet and culture mean we simply don鈥檛 appear on their menu, explain our readers

Photograph of street sign spelling error 'Stop hhre' in Hollywood-Silverlake area. 'No (e)ras(e)r? -- Som(e) on(e) forgot som(e)thing wh(e)n th(e) Traffic (E)ngin(ee)ring D(e)partm(e)nt's sign-paint(e)rs post(e)d this warning at T(e)mple Str(ee)t and Virgil. Whit(e) l(e)tt(e)rs four f(ee)t high 'adv(e)rtis(e)' sp(e)lling (e)rror!' -- Examiner clipping attached to verso, dated 27 December 1949.;Streetscape. Camera direction: 214 degrees from due north. Horizontal photography.Temple Street & Virgil Avenue; Silver Lake; Hollywood; Los Angeles, CaliforniaTraffic Engineering Department;Los Angeles -- City -- Streets -- Signs & Repair. (Photo by Los Angeles Examiner/USC Libraries/Corbis via Getty Images)

Why don鈥檛 people own up to their mistakes?

INDIA. Bangalore. 2016. Laughing Yoga workshop participant Rie Sakamoto

Why do we throw our heads back when experiencing emotions? part 2

EH7TAT Clock faces, illustration

This week鈥檚 new questions

INDIA. Bangalore. 2016. Laughing Yoga workshop participant Rie Sakamoto

Why do we throw our heads back when experiencing different emotions?

Close-up of a Cymbiola nobilis shell, also known as the noble volute, against a black background, featuring its distinctive zigzag patterns and smooth texture; Shutterstock ID 2637416271; purchase_order: -; job: -; client: -; other:

How do sea molluscs create the consistent patterns on their shells?

cinematic flight through dark deep space asteroid field with stars; Shutterstock ID 2687214359; purchase_order: -; job: -; client: -; other:

If Earth exploded, how many rocks would have evidence of life? part 2

2K18TC6 London, UK. 16th Sep, 2022. Shaikha Al Mazrou, Red Stack, 2022, Lawrie Shabibi - Frieze Sculpture, one of the largest outdoor exhibitions in London, including work by international artists in Regent's Park. Credit: Guy Bell/Alamy Live News

Why do we use pillows? part 3

This week鈥檚 new questions

3CHF9KF Towels drying on stone wall

Is it more efficient to dry towels hung up portrait or landscape?

Your towels will dry quicker if hung up landscape, according to our readers

If Earth exploded, how many rocks would have signs of life?

Why do we scream in fear? part 3

Why do jewellery chains become so tightly knotted together? part 2

This week鈥檚 new questions