
Ailsa Harvey
Ailsa is a staff writer for How It Works magazine, where she writes science, technology, history, space and environment features. Based in the U.K., she graduated from the University of Stirling with a BA (Hons) journalism degree. Previously, Ailsa has written for Cardiff Times magazine, Psychology Now and numerous science bookazines. Ailsa's interest in the environment also lies outside of writing, as she has worked alongside Operation Wallacea conducting rainforest and ocean conservation research.
Latest articles by Ailsa Harvey

50 interesting facts about Earth
By Stephanie Pappas, Robert Roy Britt, Ailsa Harvey last updated
Reference We've collected some of the most interesting and amazing facts about Earth

The 5 human senses — and a few more you might not know about
By Ailsa Harvey, Alina Bradford last updated
Reference Humans have more than five senses that help us navigate the world.

Giant huntsman spider: The world's largest spider by leg span
By Jessie Szalay, Ailsa Harvey last updated
Reference Giant huntsman spiders are the largest member of the huntsman spider family Sparassidae with a leg span stretching up to 12 inches across — roughly the size of a dinner plate.

How do bees make honey? From the hive to the pot
By Ailsa Harvey last updated
Reference By producing masses of this sweet substance, honeybees can stay active throughout the winter period. But how do they make it?

What is a second cousin?
By Ailsa Harvey, Live Science Staff published
Reference How to identify your second cousin, first cousin once removed and other distant relatives.

What are Sea-Monkeys?
By Ailsa Harvey, Live Science Staff published
Reference Sea-monkeys is the marketing term used for a hybrid breed of brine shrimp sold in packets of dust in aquarium shops.

How calories are calculated: The science behind your food
By Joanna Fantozzi, Ailsa Harvey last updated
Reference Scientists have developed methods to determine how calories are calculated

Oxytocin: Facts about the 'cuddle hormone'
By Stephanie Pappas, Ailsa Harvey last updated
Reference Oxytocin is a hormone that plays a large role in social interactions and social bonding.

Liver: Function, failure & disease
By Jessie Szalay last updated
Reference Here’s everything you need to know about the liver, from its function and location in the body, to diseases that affect the organ.

What's the difference between fruit and vegetables?
By Ailsa Harvey last updated
Reference The difference between fruit and vegetables can vary across botanical and culinary fields

Signs of labor: 6 clues baby is on the way
By Cari Nierenberg, Ashley P. Taylor, Ailsa Harvey, Yasmine S. Ali, MD published
Reference Find out how to spot the common signs of labor and discover some things you can do to promote labor

7 facts about the vagina
By Linda Thrasybule, Ailsa Harvey last updated
Reference Women's vaginas are often misunderstood. Here are the facts.

Cretaceous dinosaurs come to life in stunning footage from 'Prehistoric Planet'
By Ailsa Harvey, Mindy Weisberger last updated
'Prehistoric Planet,' a five-part documentary series, transports viewers into the mesmerizing world of the Cretaceous period.

Lions: Facts, behavior and news
By Alina Bradford published
Reference Throughout history, lions have been celebrated for their strength and beauty, and are the inspiration for many myths and stories worldwide.

Whirlpools: Facts, formation and survival tips
By Ailsa Harvey published
Reference Whirlpools form when fast-flowing currents in oceans and rivers constantly change direction. What do they look like and can you escape from one?

World's 'shark tooth capital' teemed with even more extinct species than we knew
By Ailsa Harvey published
Florida is sometimes referred to as the "shark tooth capital of the world," and new research documents the now-extinct species that have been discovered there.

Swiftie scientist names millipede species after Taylor Swift
By Ailsa Harvey published
A newfound millipede species from the Appalachian Mountains was named after the famous singer by the scientist who described the arthropod (and is a devoted Swift fan).

Cancer diagnosis: Detection, testing and research
By Ben Biggs, Ailsa Harvey published
Reference Cancer can affect any part of the body, requiring doctors to employ robust methods such as MRI scans, blood tests and computed tomography to detect and classify it.

Latency: Definition, measurement and testing
By Laura Mears published
Reference The internet makes it easy for users to send and receive data almost instantly. But how can latency be reduced for faster communication?

Pet ID tags: Can this tech help find lost pets?
By Ailsa Harvey published
Reference Smart pet ID tags can give pet owners an extra pair of eyes if a beloved pet goes missing.

Jaws of Life: Invention, tools and uses
By Ailsa Harvey published
Reference The Jaws of Life are the favoured hydraulic tool for safely removing car crash victims. The equipment can cut car frames apart and lift crushing weights from passengers.

Laser surgery: Cosmetic and life-saving procedures
By Ailsa Harvey published
Reference Laser surgery harnesses cutting-edge technology to provide cosmetic, sight-saving and life-saving procedures.

Building demolition: History, methods and record breakers
By Ailsa Harvey published
Reference Building demolition technology has developed to bring down skyscrapers in a matter of seconds.
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