More from Purbita Saha (Page 2)

NASA astronaut Buzz Aldrin on Apollo 11 in a white uniform looking at camera

Buzz Aldrin is auctioning off rare pieces of US space history

By Purbita Saha

crypto vs. coins

Will digital dollars ever replace hard currency in the US?

By Purbita Saha

Person in yellow sweater at laptop reaching for a smartphone to call a crisis and suicide hotline

988, the shortened National Suicide Prevention Hotline number, is live

By Purbita Saha

Hot dogs in buns with ketchup, mustard, and other toppings

How many hot dogs would it take to kill you?

By Purbita Saha

Venus next to a crescent moon during 2022 planet alignment

Look up at the sky to see a parade of perfectly aligned planets

By Purbita Saha

The Gaia space observatory traveling the Milky Way in an artist's rendition

See the stars from the Milky Way mapped as a dazzling rainbow

By Purbita Saha

Gold and green champagne bottle with cork popped and bubbles rushing out on a black background

Popping a champagne cork creates supersonic shockwaves

By Purbita Saha

NASA James Webb Space Telescope's primary mirror segments, shaped as hexagons and coated in gold, being inspected by an engineer prior to launch

Space Telescope

The James Webb Space Telescope survived its first collision

By Purbita Saha

Elderly person in glasses and with mustache in blue shirt and brown cap standing in line with arms crossed at a mobile blood donor unit in Uvalde, Texas

The best time to donate blood for a disaster is before it happens

By Purbita Saha

Blood moon in totality, partial lunar eclipse, and then moon in slight shadow

Don’t miss this weekend’s total lunar eclipse

By Purbita Saha

National Mall in Washington, D.C. covered in thousands of white flags to represent each US COVID death

We’ve lost more than 1 million Americans to COVID

By Purbita Saha

CERN worker examining semiconducting magnets of Large Hardon Collider accelerator

Particle Physics

The biggest particle collider in the world gets back to work

By Purbita Saha

Three children in dresses playing in a sandbox during an acute hepatitis outbreak in the US and Europe

A mysterious liver disease is sickening kids in the US and Europe

By Purbita Saha

Bigfin reef squid with semitransparent skin in the ocean

This glittery squid can change color in an instant

By Purbita Saha

Two mid-sized brown owls sitting on a branch in daylight with horses, rhinos, and soaring birds in the background in an illustration

Meet the ancient owl that embraced daylight

By Purbita Saha

Orange NASA SLS rocket at launchpad at Kennedy Space Center in Florida with a brown banner that says "we are going"

In pictures: NASA’s powerful moonshot rocket debuts at Kennedy Space Center

By Purbita Saha

Small brilliant colored reef fish with a pink face, yellow fins, and purple tail on a black background

This rainbow reef fish is just as magical as it looks

By Purbita Saha

Mineralized deposit that looks like a spiky flower in the red Mars soil

What is a ‘Martian flower’?

By Purbita Saha

Biden State of the Union 2022 with the US president, vice president, and speaker of the House of Representatives in front of an American flag and two other individuals wearing COVID masks in the Capitol

A quick look at Biden’s new COVID preparedness plan

By Purbita Saha

People wearing COVID surgical masks in a dark movie theater

The CDC is relaxing indoor mask guidelines and shaking up how it measures COVID risk

By Purbita Saha

Three galaxies forming a gassy swirl in a Hubble Space Telescope image

Space Telescope

See Hubble’s captures of real-life star wars

By Purbita Saha

Perseverance Mars rover with a camera lens takes a picture of itself on a red dusty planet

Happy Mars-iversary, Perseverance

By Lauren J. Young, Purbita Saha

Venus with a slight halo-like glow in a Parker Solar Probe black and white image

We finally know why Venus is absolutely radiant

By Purbita Saha

Person with black gloves pouring rock salt over a sidewalk despite environmental pollution

There’s a better way to use rock salt on snow

By Purbita Saha

Orca whale pod in a line in the ocean while hunting

Even blue whales aren’t safe from orcas

By Purbita Saha

Light brown tarantula with white discharge around mouth being attacked by a nematode worm on a bacteria backsplash

What do you call a tiny tarantula killer? Jeff Daniels.

By Purbita Saha

A white COVID respirator mask and blue surgical masks hanging on a clothesline in a window

Here’s what the CDC is now saying about masks and respirators

By Purbita Saha

Rembrandt's oil painting "The Night Watch" restored and broken down into six high-res squares

AI turned a Rembrandt masterpiece into 5.6 terabytes of data

By Purbita Saha

James Webb Space Telescope in flight with mirrors and sunshield unfurled in an artist's rendering

Space Telescope

17 images to count down to the James Webb Space Telescope launch

By Purbita Saha

long receipt rolled into self

How to escape the wasteful excess of CVS receipts

By Purbita Saha

Barreleye fish from a deep-sea video taken by robotic ocean rovers in Monterey Bay

Watch these rare ocean creatures caught on candid robot camera

By Purbita Saha

The Passport mix includes Goldbears, Star, Matador, Tagada, and Rotella.

The intense flavor science behind Haribo’s gummies

By Purbita Saha

Solar cell for yellow hydrogen energy production

A beginner’s guide to the ‘hydrogen rainbow’

By Purbita Saha

Male acorn woodpecker with tree cache

Polygamy is just one reason why acorn woodpeckers are master survivalists

By Purbita Saha

Roundup herbicide bottle on lawn

Roundup is finally going to be made without glyphosate in the US

By Purbita Saha

Northern cardinal bird with right side male red and left female tan in a bare tree

4 unexpected facts about the Northern cardinal, a bird you should know better

By Purbita Saha

Green hummingbird hovering in the air

This is the most soothing sound in the world

By Purbita Saha

Shirtless person looking out at the ocean and beach

Your favorite sunscreen might have just been recalled

By Purbita Saha

Orange jessamine flowers

Get to know the plant that showed up in the National Spelling Bee finals

By Purbita Saha

Periodical cicada with red eyes on a piece of wood

What we know—and don’t know—about Brood X cicadas

By Purbita Saha

Washington Memorial at night with rows of lights along a pool

12 months of pandemic life in 12 photographs

By Purbita Saha

New USPS mail delivery truck in a simulated suburb

5 things you have to know about the new USPS trucks

By Purbita Saha

A captive spotted eagle ray feeding on mollusks in a tank

Listen to the soothing sounds of a snacking stingray

By Purbita Saha

A lunar rainbow or moonbow stretching over the mountains at night in Anza-Borrego Desert State Park

In perfect conditions, rainbows can come alive at night

By Purbita Saha

Parents and two kids on New Year's in party hats and sparklers

Make your own New Year’s ball, and 4 other family party ideas

By Purbita Saha

The White House covered in snow

The Trump administration’s environmental legacy can be undone. Here’s how.

By Purbita Saha

The starry Arctic sky over an iceberg in Greenland

Four science conversations worth having this holiday

By Purbita Saha

cave spelunking

Look inside the hidden world of Earth’s most beautiful caves

By Purbita Saha

A ruby-throated hummingbird that hit a glass window, held in someone's hand

How to help an injured bird

By Purbita Saha

President Donald Trump (left) and former Vice President Joe Biden at the first 2020 presidential debate

Five key science takeaways from the first presidential debate

By Purbita Saha

CDC Director Robert Redfield and National Institute of Allergy and Infectious Diseases Director Anthony Fauci in 2018

The CDC thinks 90 percent of the US could still catch COVID-19

By Purbita Saha

A US Army National Guard soldier does a push-up in front of a drill sergeant

Fitness & Exercise

Burpees are a great full-body exercise—but there are other options

By Purbita Saha

A box of yellow and red onions

The onions in your kitchen could give you food poisoning

By Purbita Saha

A blue agave plant

Five burning questions about tequila, answered

By Purbita Saha

An empty Fenway Stadium

Leagues scramble to replace the roar of the crowd as pro sports return

By Purbita Saha

A group watching fireworks from a roof

Three safe ways to enjoy fireworks during a pandemic

By Purbita Saha

An inch-long bogong moth covers hundreds of miles of Australian terrain to return to its birthplace.

Animals have mysterious ways of finding their way back home

By Purbita Saha

A ball of homemade Silly Putty

Stay-at-home science project: Two-ingredient Silly Putty

By Purbita Saha

Dipping shortening-covered hands in ice water

Stay-at-home science project: Craft handmade blubber

By Purbita Saha

"Bedlam" tackles the systemic failures and cultural taboos of treating mental health conditions. It airs on PBS tonight at 10 p.m. EDT.

Meet the health care workers and patients on the front lines of another national crisis

By Purbita Saha

A tadpole of a gray tree frog sucks in a bubble full of oxygen.

Watch tiny tadpoles breathe by ‘bubble sucking’

By Purbita Saha

Veteran demand for mental healthcare is rising, but the VA isn’t prepared

By Purbita Saha

A guide to ensuring your Diwali festivities keep the Earth happy, too

A guide to ensuring your Diwali festivities keep the Earth happy, too

By Purbita Saha

An intimate guide to the ferns from Netflix’s ‘Between Two Ferns’

An intimate guide to the ferns from Netflix’s ‘Between Two Ferns’

By Purbita Saha

1 2 3