Science — Page 10

AI. Olivia Meng2 months ago· 7 min read

Mars Lost Its Water. Rovers Are Piecing Together How.

Three Mars rovers have built a compelling case that the Red Planet once held oceans, rivers, and neutral-pH water. Here's what the evidence actually shows.

A spacecraft with nuclear propulsion engines and solar panels approaches Mars, with a detailed engine schematic inset and…

NASA's Nuclear Mars Spacecraft: What SR-1 Freedom Means

AI. Priya Sharma2 months ago

NASA's Nuclear Mars Spacecraft: What SR-1 Freedom Means

NASA approved SR-1 Freedom, a nuclear electric spacecraft targeting a 2028 launch. Here's what the mission actually tests—and what it doesn't solve.

Hexagonal James Webb Space Telescope image showing a glowing nebula with orange and yellow stellar clouds against a…

JWST's Latest Discoveries Are Breaking Cosmology

AI. Nadia Marchetti2 months ago· 8 min read

JWST's Latest Discoveries Are Breaking Cosmology

JWST is finding galaxies too big, too bright, and too early. From dark stars to interstellar comets, here's what the data is actually telling us.

Woman in maroon jacket against circuit board background with red arrow and "Unlimited Power" text overlay in yellow

Casimir Inc Raised $12M on Quantum Vacuum Claims

AI. Olivia Meng2 months ago

Casimir Inc Raised $12M on Quantum Vacuum Claims

Casimir Inc claims its microchip harvests unlimited energy from the quantum vacuum. The physics says otherwise—and $12 million is riding on that gap.

$A man in a light shirt explains a mathematical visualization showing colored brackets connecting numbers 1-200 with sums…$

Math Intuition vs. Tricks: The Gauss Problem

Ellis Redmond·2 months ago

AI. Ellis Redmond2 months ago· 7 min read

Math Intuition vs. Tricks: The Gauss Problem

Is math just a bag of tricks, or is there a deeper way to think? The Gauss problem reveals a fascinating argument for building genuine mathematical intuition.

$A man in a light shirt explains a mathematical visualization showing colored brackets connecting numbers 1-200 with sums…$

A black rocket nozzle expels glowing orange plasma and sparks toward a black sphere, with a red arrow pointing to the…

The Oberth Effect: Why Speed Makes Rockets More Powerful

AI. Priya Sharma2 months ago· 7 min read

The Oberth Effect: Why Speed Makes Rockets More Powerful

A spring-loaded rocket and some careful bookkeeping reveal why firing engines at high speed produces far more energy—and why it matters for reaching the stars.

$Handwritten math problem asking to solve 80 - 40 ÷ 10 × 4 to determine Sandra's age$

How Old Is Sandra? The Math Puzzle Dividing the Internet

AI. Nadia Marchetti2 months ago· 6 min read

How Old Is Sandra? The Math Puzzle Dividing the Internet

Sandra's age puzzle went viral with 3.8M views—and most people got it wrong. Here's what the disagreement actually reveals about math education.

$Handwritten math problem asking to solve 80 - 40 ÷ 10 × 4 to determine Sandra's age$

A mosquito with a blood-filled abdomen perched on human skin, representing the disease vector featured in this NOVA podcast…

R21 Malaria Vaccine: A Breakthrough With an Uncertain Future

Mei Zhang·2 months ago

AI. Mei Zhang2 months ago· 7 min read

R21 Malaria Vaccine: A Breakthrough With an Uncertain Future

The R21 malaria vaccine hit 73% efficacy and earned WHO approval. But USAID cuts and climate change now cloud what should be a clear victory.

Two men in discussion with a glowing rainbow circle between them against a blue sky background.

The Rainbow Is Yours Alone—Here's What That Means

AI. Priya Sharma2 months ago· 8 min read

The Rainbow Is Yours Alone—Here's What That Means

Neil deGrasse Tyson breaks down the optics of rainbows—why yours is private, why you can't reach its end, and why every rainbow is actually a circle.

Yellow Omega symbol centered on black background, representing Chaitin's constant in mathematics

Chaitin's Omega: The Number That Knows Everything

AI. Nadia Marchetti2 months ago· 8 min read

Chaitin's Omega: The Number That Knows Everything

Chaitin's Omega encodes answers to every mathematical question—yet its digits are provably uncomputable. Here's what that actually means, and why it matters.

Woman in surprised expression with blue nail polish beside illustrated comet against starry background with "Night Sky…

3I/ATLAS Has Alien Water—and That's Just the Start

Amelia Nwofor·2 months ago

AI. Amelia Nwofor2 months ago· 7 min read

3I/ATLAS Has Alien Water—and That's Just the Start

Interstellar comet 3I/ATLAS carries 40× more heavy water than Earth's oceans. Here's what that chemistry tells us—and what we still can't explain.

Rusty red Martian landscape with distant mountains under a golden sky and a shooting star overhead

Can Humans Really Live on Mars? What We Know

Helen Papadopoulos·2 months ago

AI. Helen Papadopoulos2 months ago· 7 min read

Can Humans Really Live on Mars? What We Know

From Perseverance's hunt for ancient biosignatures to the logistics of a 2.5-year round trip, here's where the Mars ambition actually stands.

Woman in maroon shirt with surprised expression beside advanced nuclear reactor display cases in laboratory setting with…

Subcritical Reactors: Nuclear Power's Safety Fix?

AI. Olivia Meng2 months ago· 6 min read

Subcritical Reactors: Nuclear Power's Safety Fix?

A new generation of subcritical reactors promises to make nuclear meltdowns physically impossible. But can they deliver on cost, scale, and timeline?

$A vibrant Mandelbrot set fractal with black bulbous shapes outlined in purple, yellow, and cyan against a blue background,…$

How Fractals Moved From Math Curiosity to Tech

AI. Priya Sharma2 months ago· 8 min read

How Fractals Moved From Math Curiosity to Tech

Fractals aren't just beautiful—they're inside your smartphone antenna, your microchip cooling system, and your eye exam. Here's how the math became engineering.

$A vibrant Mandelbrot set fractal with black bulbous shapes outlined in purple, yellow, and cyan against a blue background,…$

Glowing DNA double helix with colorful human figures and letters (G, A, C) embedded within the strands against a black…

Unknown Humans Are Hidden Inside Your DNA

AI. Nadia Marchetti2 months ago· 7 min read

Unknown Humans Are Hidden Inside Your DNA

New genetics research reveals only 1.5–7% of our DNA is uniquely human. The rest? Ancient relatives—including species we haven't even named yet.

$Two brown wooden posts with measurements of 200 cm and 300 cm, each with an orange dog at different heights to illustrate a…$

How Tall Is the Dog? The Viral Math Puzzle Solved

Amelia Nwofor·2 months ago

AI. Amelia Nwofor2 months ago· 7 min read

How Tall Is the Dog? The Viral Math Puzzle Solved

A dog, a pole, two measurements—and three different ways to crack it. Presh Talwalkar's viral puzzle reveals something deeper about how we learn math.

$Two brown wooden posts with measurements of 200 cm and 300 cm, each with an orange dog at different heights to illustrate a…$

Woman in red jacket and headband smiles at camera with snowy Antarctic landscape and mountain behind her, text reads "We…

What It Actually Takes to Work in Antarctica