Erin Fennessy

More from Erin Fennessy

Baltimore checkerspot caterpillar curled up in a black and orange ball
Evolution

Inflatable tentacles and silk hats: See how caterpillars trick predators to survive

By Erin Fennessy

gloved hand holding petri dish
Vaccines

E. coli isn’t always bad—it’s actually an unlikely research hero

By Erin Fennessy

stone statue
Science

Grime-loving bacteria could save priceless art

By Erin Fennessy

person's hands holding tiny plant growing out of soil
Agriculture

You have no idea how much you need these bacteria

By Erin Fennessy

balsamic vinegar being poured into a small vial
Science

The secret to vinegar’s tangy flavor lies in bacteria

By Erin Fennessy

A hand holds a black sticker against a green background. The sticker has a red bandage on it and says 'I got my COVID-19 vaccine.'
Vaccines

People who had COVID should still get vaccinated, according to the CDC

By Erin Fennessy

A trio of galaxies swirl around each other.
Space Telescope

See galactic triplets play tug-of-war in Hubble’s latest snapshot

By Erin Fennessy

A person washing their hands with soap and water spreads soap between their fingers over the basin of a sink.
COVID-19

Why you should recommit to hand-washing to help prevent COVID

By Erin Fennessy

Several glass vials of the COVID-19 vaccine sit on a table top.
Vaccines

Despite surging Delta variant, a national vaccine mandate is unlikely

By Erin Fennessy

On the left, a side view of the Tokyo 2020 Olympic torch shows the official logo and the rose-gold color of the flower-shaped torch. On the right, a top view of the torch while lit displays the five petals and central flame of the cherry blossom.
Engineering

Inside the surprisingly complex engineering process that creates an Olympic torch

By Erin Fennessy

two children swimming on a beach
Science

The best ages for kids to learn to read, speak new languages, and other skills

By Erin Fennessy

A person wearing a surgical hair net, face mask, face shield and protective surgical gown pulls on surgical gloves while standing in a health clinic.
Vaccines

Under-vaccinated hotspots fuel 60 percent increase in US COVID-19 cases

By Erin Fennessy

A sticker placed on the pocket of a brown tee shirt, which reads: I got my COVID-19 vaccine.
Vaccines

Immunity from mRNA vaccines could last for years

By Erin Fennessy

A large, yellow moon rises over the branches of a tree.
Moons

The Strawberry Moon, explained

By Erin Fennessy

An illustration of the COVID-19 spike protein.
COVID-19

The Delta variant is on the rise in the US

By Erin Fennessy

An Alagoas Brazilian screech owl
Birds

Whose hoot? DNA and sound studies help define two new owl species in Brazil.

By Erin Fennessy

glowing pink springhare
Animals

Nobody painted these glowing pink springhares—their Day-Glo is all natural

By Erin Fennessy

masks
Vaccines

These states are on the cusp of another COVID-19 surge

By Erin Fennessy

people eating drinking at a restaurant
COVID-19

Why people cared less about catching COVID when it mattered most

By Erin Fennessy

Map of 25,000 supermassive black holes
Black Holes

Check out the most extensive map of black holes ever

By Erin Fennessy