Category Archives: Science/Nature

Water and food crisis

By: Tenley Em

A view of most of North America taken from a low orbit of about 826 km altitude by NASA/NOAA/GSFC/Suomi NPP/VIIRS/Norman Kuring via Wikimedia Commons

Currently, about 266 million people are said to be at risk of hunger, and on the other hand 1.8 billion people don’t have access to a safe and reliable water source. We get our water from nature; it comes from rivers, lakes, etc. We are lucky to have the privilege to be able to use and drink this water, but when our ecosystems are overused, polluted, or damaged, we put our own water supply at risk. If water sources are not taken care of, the water we use could become unsafe, unreliable, or even more expensive. Water is something we need every single day, so when we damage the places that provide it, we are also putting ourselves at risk by making the water unsafe for ourselves.

Another major issue is climate change and the fact that we are continuing to warm the Earth. The world is already getting hotter, so making it even warmer can create even more serious problems. Climate change can affect where clouds and rainfall move. One example is the expansion of the Hadley Cell, which can cause areas like sub-Saharan Africa, the Middle East, and Central America to get less rain.

At the same time, other areas can experience more precipitation, leading to more flooding. At least 21 million people around the world are currently at risk from river flooding, and that number could possibly increase to 54 million by 2030. Floods can destroy homes, farms, roads, and even sources of clean water. For example, severe flooding in Bangladesh affected about 5.7 million people and caused 115 deaths. This shows just how serious flooding can be and how many people can be affected by it.

Healthy ecosystems are also a type of natural infrastructure. This means that nature can do some of the things that we would usually need to build systems for. Forests, wetlands, rivers, and plants can help provide clean water and protect communities from flooding. They can also filter pollution and prevent soil from being washed away. For example, wetlands can absorb and hold a large amount of extra water during a flood. Trees and other plants can also help keep dirt and pollution out of rivers and lakes. When we destroy forests and wetlands, we lose some of this natural protection. As a result, flooding and water pollution can become even worse.

All of this connects to the food crisis around the world. People need water to grow food, and farmers depend on water for their crops and animals. When there is a drought, crops can die because there is not enough water. On the other hand, floods can destroy crops by giving them too much water, and people can end up with less food.

Another issue that is happening around our world right now is the food crisis. In 2024, more than 295 million people in 53 countries and territories are going through hunger. Millions of children also suffered from this because they did not have enough food. There are many different reasons people go hungry. Wars can destroy their farms and make it harder for food to reach people. Food can also become too expensive for families to afford. Climate change can make these problems even worse by causing droughts, floods, heat waves, and severe storms.

In 2024, around 96 million people faced serious food insecurity because of climate-related problems. When farmers lose their crops, there is less food available. This can also cause food prices to go up, making it even harder for families who are already struggling to afford what they need. Water and food are closely connected. Without clean and reliable water, it becomes much harder to grow food. Without healthy ecosystems, it also becomes harder to keep our water clean. Climate change can make both of these problems worse. This is why protecting the environment is so important.

There are things we can do to help. We can protect forests, wetlands, rivers, and lakes instead of destroying them. Farmers can use water more carefully and take steps to protect their soil. We can also work to prevent pollution from getting into our water sources. The Earth provides us with almost everything we need to survive, including food, water, clean air, and healthy land. If we continue damaging the environment, our problems with water and food could become even worse. Taking care of nature is not just about protecting plants and animals. It is also about taking care of ourselves and making sure future generations have a healthy planet to live on.

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The hantavirus

By: Janessa Castro Cruz

3D medical animation still showing Hantavirus. 14 October 2019 by: https://www.scientificanimations.com via Wikimedia Commons

Hantaviruses are a bunch of viruses that infect rodents like rats, and mice, and are transmitted to humans and can cause severe disease in humans when exposed to their urine and droppings. When the virus reaches the lungs they invade tiny blood vessels, causing them to leak, resulting in severe trouble with lung and heart functions. They cause diseases like hantavirus pulmonary syndrome and hemorrhagic fever with renal syndrome.

It was first recognized in the 1950s as outbreaks occurred during the Korean War. Almost 3,000 troops and nations got sick with kidney failure, high fevers and bleeding. The cause was unknown until the discovery 25 years later. The virus was named after the Hantaan River in Korea and as the virus started to spread more across the world. It was given the collective name of hantaviruses.

An outbreak occurred on a cruise ship that left three people dead in 2026. They believe it started when a couple prior to boarding the ship had gone to birdwatch and on that trip they visited sites where there was a species of rat that’s known to carry hantavirus.

The virus is typically transmitted with contact to rodents but this outbreak was identified as the Andes virus which is the only type that is transmitted through human to human contact. It’s believed to spread between people who had close contact, within 6-feet of each other, for at least 15 minutes.

People who are infected by HPS can have symptoms like fatigue, dizziness, and nausea and the disease is deadly. People who are infected by HFRS can have symptoms like intense headaches, lack of blood flow, and internal bleeding, and complete recovery can take several weeks. The symptoms can lead to life-threatening lung and heart problems. There is no treatment for hantavirus but patients should receive care for their symptoms.

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Why diabetes is so dangerous

By: Abreham Debele

4 January 2018, http://www.scientificanimations.com/wiki-images/, by: Manu5, via Wikimedia Commons

Diabetes is a chronic health condition that affects how the body turns food into energy for the rest of your life. In normal conditions, the body would break down food into sugar and release it into the bloodstream, where insulin acts like the key and releases the sugar into the cell. Instead though, people with diabetes have too much sugar staying in the blood. To tackle this, diabetic patients monitor their sugar levels through their diet, glucose monitors, and insulin pumps.

Diabetes is a very serious health issue because it kills about two million people a year. Because of this, it’s known as a leading health challenge these days.

This issue means much more than just a medical diagnosis. It’s a chronic disease that affects you for the remainder of your life. Risks can include serious issues like heart disease, vision loss, and kidney failure. Despite the many risks and struggles, people with diabetes are still determined to live healthy lives, and doctors around the world work constantly to provide better treatments and technology every year.

Throughout the 21st century, diabetes has become a representation of why the importance of balancing nutrition, exercise, and medicine is highly important.

Throughout the years, the hope for better diabetes management has grown as a result of scientific breakthroughs and changes in how we understand human anatomy. Researchers and doctors have announced new ways to help the body process sugar more effectively through advanced special tools like insulin pumps, continuous monitors, and glucose monitors. Immediately, thousands of patients benefited from these changes, and healthcare companies found healthier ways to prevent dangerous medical complications. While this isn’t a total cure yet, the progress that has been made in medicine allows people to stay healthy, active, and still enjoy life.

Psychology behind why people prefer cats or dogs

By: Ro’Mel Bryant-Oliveraz

Photo by Helena Jankoviu010dovu00e1 Kovu00e1u010dovu00e1 on Pexels.com

People usually pick a side, cats or dogs, but not everyone questions why they really feel that way. They might think they just prefer dogs because they are more energetic and loyal, or cats because they can just do their own thing while still being present. Of course, they may also choose which, based on lifestyle, maybe they need a cat because they want company without too much work, or a dog because they want to be outside more. Or maybe they just got one as a child and that became their favorite for life. But what does the psychology behind those choices say; what does that say about your preferences?

For dogs their life revolves around their owner. They want to be with their owner all the time, their food depends on the owner, their hygiene, and meaningful fun. If you prefer a dog you want something similar to a baby, someone you can always be around, and have fun with, for the most part. Dogs are simple minded, think about the immediate, and the main thing on their mind is you. They just want to have fun, eat good food, and be around you.

Cats on the other hand are much more independent. They depend on you for their food, and to clean up their areas. They don’t need fun stimulation like dogs; their stimulation is more about hunting exercises, which don’t require humans. They clean themselves well enough without needing humans. They mostly just prefer your company, but don’t need it. If having a dog is like a baby, having a cat is like having a younger sibling. When they play with human hands or anything, their reflexes are too fast to get hit by a human, they just let it happen for fun. That’s how cats usually interact with humans, it’s mostly for the human’s sake, they also want you to have fun; not just themselves. Cats even developed meowing for communication to humans; they don’t really for each other, except kittens.

Preferring a cat is like preferring an independent pet that you interact with out of mutual interest, mutual benefit. The cat sees you as someone who gives them food and is in charge of the space they live in, so they want to interact with you a little bit, but they are independent and can get most of their necessities alone.

Preferring a dog is like preferring a pet that constantly wants to be with you, it thinks everything that it would want would come from you, and that you are the best. Dogs think about the moment, like food, fun, and blind curiosity. They depend on you for responsible things like eating healthy food, hygiene, and a place to sleep. And they love that fact.