Sara Hashemi

Sara Hashemi

Sara Hashemi is a science writer and fact-checker currently based in New York City. Her work has appeared in Sierra, The Body, Maisonneuve magazine and more. 

Stories from this author

Pangolin species across Africa and Asia are under threat from poaching, climate change and habitat loss.

The World’s ‘Most Trafficked Mammal’ Might Soon Be Protected by the U.S. Endangered Species Act

The Fish and Wildlife Service has proposed listing seven species of pangolin, often poached for their scales and meat, as endangered

The first reported use of the semicolon was in the essay "De Aetna," pictured in part here, by Pietro Bembo and published by Aldus Manutius in the 1490s.

Could the Semicolon Die Out? Recent Analysis Finds a Decline in Its Usage in British Literature and Confusion Among U.K. Students

Not only are semicolons evidently becoming more rare, but young people are less aware of how to use them, according to a survey

A long-billed curlew flies over the Great Plains. New research suggests the birds react to danger more quickly when they hear prairie dog alarm calls.

Nesting Birds Eavesdrop on Prairie Dog Alarm Calls to Keep Their Eggs Safe From Grassland Predators

New research suggests long-billed curlews keep an ear out for warnings from prairie dogs in order to hide from predators and protect their nests

Researchers developed a wearable device to monitor participants' breathing.

The Way You Breathe Is Unique to You, Like a Fingerprint, New Study Suggests

Researchers could identify people with almost 97 percent accuracy based on 24 hours of their recorded breathing patterns, and they also found links to a person’s mental and physical condition

Darla Zelenitsky (right) and Jared Voris (left) were part of the team that identified and named Khankhuuluu based on fossils found in Mongolia during the 1970s.

These ‘Dragon Prince’ Fossils Spent Decades in Museum Drawers. Now, They Could Rewrite the T. Rex Family Tree

Two partial skeletons housed in a Mongolia museum were reexamined by researchers and found to represent a previously unknown species

Axolotls are helping scientists understand the key to limb regeneration.

Axolotls May Hold the Key to Regrowing Limbs, and Scientists Are Unraveling Their Secrets to Help Humans Do the Same

With the help of gene-edited axolotls, researchers have gotten one step closer to enabling human limb regeneration

In this artist's impression of Diamantinasaurus matildae, the animal feeds from a conifer tree.

First Fossil Evidence That Sauropods Were Herbivores Supports a Widespread Assumption About the Long-Necked Dinosaurs

A recent discovery of a dinosaur’s preserved gut contents offers the first direct proof that sauropods were plant-eaters

A dehorned rhino walks alongside a calf. 

Dehorning Rhinos Curbs Poaching, New Study Finds

Researchers in South Africa find that cutting the animals’ horns reduces poaching by almost 80 percent

Ispace posted a video of Resilience circling the moon shortly before it lost contact with the lander. 

The Resilience Spacecraft Likely Crashed on the Moon

Early reports suggest that an issue with the Japanese lander’s sensors prevented it from sufficiently slowing down

An artist's rendition of Resilience on the lunar surface, where it is scheduled to touchdown later today. 

Ispace’s Resilience Spacecraft Is Set to Land on the Moon Today—Here’s How to Follow Along

The Japanese company’s second attempt at a lunar landing can be streamed live this afternoon

Cockatoos in the western suburbs of Sydney, Australia, will wait in line for a taste of drinking fountain water.

These Australian Cockatoos Learned to Operate Drinking Fountains With Their Feet to Quench Their Thirst

Birds in Sydney’s western suburbs have figured out how to get a sip from the fountains, even though they have access to nearby streams

A snapshot of the eastern United States as of June 3, from NOAA's GOES-19 satellite.

A Giant Cloud of Saharan Dust Is Heading to the Southeastern U.S. Here’s What That Means

The plume of dust has already blown over the Caribbean and is expected to reach Florida later this week

The driver likely erred while making a sharp turn, setting millions of bees free.

14 Million Honeybees Escaped From an Overturned Truck in Washington State. Local Beekeepers Helped Corral Them

Most of the bees have now been recovered, and the road is open to the public again

Researchers monitored the sniffing behavior of 30 cats in a new study.

Cats Can Recognize Their Owner’s Scent Compared to a Stranger’s, New Research Suggests

In an experiment, domestic cats spent longer sniffing cotton swabs with the scents of unfamiliar people than swabs with the scent of their owner

The new study suggests that 73 million years ago, birds and dinosaurs lived side by side in the Arctic.

Scientists Find the First Evidence of Birds Nesting in the Arctic Alongside Dinosaurs

The researchers analyzed rare fossils of hatchling birds found in northern Alaska, which offered the earliest evidence of the creatures reproducing in a polar region

Bedbugs that feed on humans experienced a sharp rise in numbers after the development of the first cities, according to new research.

Bedbugs Could Have Been the First Urban Pest to Plague Human Cities, New Study Suggests

Scientists examined the genomes of two bedbug lineages to trace how their population sizes have changed over time

A research team measured ammonia concentrations from a colony of 60,000 Adélie penguins.

Penguin Poop Helps Drive Cloud Formation Over Antarctica, According to a New Study

The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which scientists say may be significant to regulating the climate

In recent years, Barbie dolls have become more likely to have flat feet, new research finds.

Barbie’s Feet Have Become Less Arched Over Time, According to a New Study by Podiatrists

By the 2020s, only 40 percent of Barbie dolls were designed with permanently arched feet for wearing high heels

A tsunami might have occured some 115 million years ago, near where deposits of Cretaceous amber were found in Japan.

This Deposit of ‘Weird’ Cretaceous Amber Could Reveal Hints to Long-Forgotten Tsunamis in Japan

A new study highlights the potential of amber fossils to capture evidence of powerful, prehistoric ocean waves

Clownfish seem to become shorter during heat waves, according to the new study.

Clownfish Shrink Down Their Bodies to Survive Ocean Heat Waves, New Study Suggests

The adaptation appears to help the fish cope with high temperatures, since individuals and breeding pairs that shrank improved their survival odds

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