Science

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How Sungrazing Comets Work—and Why Most Don't Survive Science

How Sungrazing Comets Work—and Why Most Don't Survive

Sungrazing comets plunge within thousands of kilometers of the Sun's surface, enduring extreme heat and tidal forces. Most disintegrate, but their des...

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How Piezoelectric Materials Work—and Why They're Everywhere Science

How Piezoelectric Materials Work—and Why They're Everywhere

Piezoelectric materials generate electricity when squeezed and change shape when electrified. From quartz watches to medical ultrasound and next-gener...

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What Are Carotenoids and How They Protect Your Body Science

What Are Carotenoids and How They Protect Your Body

Carotenoids are plant pigments that do far more than add color to fruits and vegetables—they shield your eyes from damage, strengthen your immune syst...

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How Optogenetics Works—Controlling Cells With Light Science

How Optogenetics Works—Controlling Cells With Light

Optogenetics uses light-sensitive proteins to switch individual brain cells on and off with millisecond precision, opening doors to treating blindness...

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How Spacecraft Splashdown Recovery Works Science

How Spacecraft Splashdown Recovery Works

From parachute deployment to Navy diver extraction, here is how space agencies recover astronauts and capsules from the ocean — a method used since th...

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How Atoms Could Detect Gravitational Waves Science

How Atoms Could Detect Gravitational Waves

Scientists propose a radical new method to sense gravitational waves by tracking how they shift the light atoms emit, potentially shrinking detectors...

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How ALS Attacks the Body—and Why It's So Hard to Stop Science

How ALS Attacks the Body—and Why It's So Hard to Stop

Amyotrophic lateral sclerosis destroys motor neurons that control voluntary movement, leaving patients progressively paralyzed. Here's how the disease...

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How mRNA Cancer Vaccines Work—and Why They Matter Science

How mRNA Cancer Vaccines Work—and Why They Matter

The same mRNA technology behind COVID-19 shots is now being turned against cancer. Personalized therapeutic vaccines teach a patient's immune system t...

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How Autism and ADHD Overlap in the Brain Science

How Autism and ADHD Overlap in the Brain

Up to 70% of people with autism also have ADHD. New brain-imaging and genetic research reveals why these two conditions so often travel together—and w...

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How Codon Bias Works—DNA's Hidden Second Code Science

How Codon Bias Works—DNA's Hidden Second Code

The genetic code has 64 codons but only 20 amino acids, and scientists long assumed the 'extra' codons were interchangeable. New research reveals cell...

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How Light Pollution Works—and Why It's Erasing Stars Science

How Light Pollution Works—and Why It's Erasing Stars

Artificial light at night creates skyglow, disrupts wildlife, suppresses melatonin, and has brightened Earth's nights by 16% since 2014. Here's how it...

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How Cluster Munitions Work—and Why 112 Nations Ban Them Science

How Cluster Munitions Work—and Why 112 Nations Ban Them

Cluster munitions scatter hundreds of explosive submunitions across wide areas. Their high failure rates turn battlefields into minefields for decades...

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