米航空宇宙局（NASA）の火星探査車「パーサヴィアランス」が火星の岩石を掘削し、サンプルの採取を試みた。ところが、その中身が“空っぽ”だったことが明らかになった。この「失踪事件」からNASAのチームは、どこで狂いが生じたのか推測する上で役立ついくつかのヒントを掴んでいる。さらにこの問題が、火星の地質に関する重要な手がかりをもたらすかもしれない。
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Interoception: the hidden sense that shapes wellbeing
There’s growing evidence that signals sent from our internal organs to the brain play a major role in regulating emotions and fending off anxiety and depressionIf you’re sitting in a safe and comfortable position, close your eyes and try to feel your h…
New Covid variants ‘will set us back a year’, experts warn UK government
Vaccine-beating variant is ‘realistic possibility’, say scientists, amid calls for contingency plans to be revealedCoronavirus – latest updatesSee all our coronavirus coverageMinisters are being pressed to reveal what contingency plans are in place to …
Floating Origami
Floating origami Floating Micro-Origami that Magically Unfolds in Water
What’s it like living with a phenomenal memory and can it be learned?
Both nature and nurture contribute to incredible recall skills and for those who have them there are benefits and drawbacks“17 April 2001?” I ask Krystyna Glowacki, 24, over Zoom.“That was a Tuesday,” she shoots back after less than half a beat. It was…
Researchers Find Children ‘Burn So Much Energy, They’re Like a Difference Species’
A study of 6,400 people “from eight days old up to age 95, in 29 countries,” finds that the human metabolism “peaks at the age of one, is stable from 20 to 60 and then inexorably declines,” writes the BBC.
Long-time Slashdot reader Hope Thelps shares…
Will we reach herd immunity for the new coronavirus? | David Spiegelhalter and Anthony Masters
It appears unlikely, but we should try to get as close as possibleThe Office for National Statistics Covid infection survey estimates that, either through vaccination or infection, an extraordinary 94% of adults now have antibodies to Sars-CoV-2.So why…
How to take the lead in dog walking – and earn unconditional love in return
Enhance your pooch’s wellbeing and your own by making daily walks an interactive, quality experiencePepper meets Mr Binks for the first time and bottom-sniffs the diminutive pooch by way of greeting. As ever, I look away. But Mr Binks’s owner, dog beha…
Why Perseverance’s first Mars drilling test came up empty
Sampling might offer tantalizing clues about the past of the red planet.
人類は深海に何があるかもわかっていないのに、もう破壊しようとしている
深海には陸地の6倍のコバルト、3倍のニッケル、4倍のレアアース金属イットリウムが含まれている。いまや現実問題として、風力タービン、電気自動車、ソーラーパネル、蓄電用バッテリーといったクリーンエネルギーへの転換には地球から何十億トンものこうした金属を採掘しなければならない一方で、レアメタルの採掘場として注目される深海の特殊な環境や想像以上に豊かな生物種については研究が始まったばかりだ。 環境ジャーナリスト、エリザベス・コルバートからのレポート。
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