Biophoton
Living things make a tiny light. It is a very soft light. You cannot see it with your eyes. It can come from plants or people. It is a small wonder! Can you imagine a glowing leaf?
Early Reader · Change the reading level on the articleLife Science articles — Page 40
Read about living things, from cells and plants to animals and the human body. Choose an article below; its reading controls let you move between the available levels.
5,533 public articles · Page 40 of 116
Biophysics
Some people study how living things work. They use tools to see tiny parts. These parts move in small ways. This helps us learn about our bodies. It is very cool to see! Do you want to look close?
Early Reader · Change the reading level on the articleBioremediation
Tiny living things can clean up. They eat bad stuff in dirt. They can even clean water. This helps keep our world safe. It is like magic! Do you like nature?
Early Reader · Change the reading level on the articleBiosecurity
We must keep tiny germs away. They can make people and plants sick. We use rules to stop them. This helps our food stay safe. It helps us stay healthy too. Can you help keep things clean?
Early Reader · Change the reading level on the articleBiosynthesis
Your body makes things. It takes food and turns it into parts. It builds small things into big things. This helps you grow. It keeps you healthy. Do you want to grow big?
Early Reader · Change the reading level on the articleBiotin
Some food helps your body work. It is in meat and eggs. It helps you grow well. It is in many foods we eat. This helps us stay strong. Do you like eggs?
Early Reader · Change the reading level on the articleBird anatomy
Birds have very light bones. These bones help them fly. Their bones are mostly hollow. This makes them light for the sky. They also have a beak instead of teeth. Do you like to watch birds fly?
Early Reader · Change the reading level on the articleBirdLife International
Many people work to help birds. They protect the places where birds live. They want to keep birds safe. This helps birds stay in our world. We can help birds too. Do you like birds?
Early Reader · Change the reading level on the articleBird migration
Some birds fly far away. They fly to find food. They also go to find warm air. This happens every year. It is a long trip. Can you see birds fly?
Early Reader · Change the reading level on the articleBird nest
Birds use nests for their eggs. Some nests are tiny cups. Others are big piles of sticks. A nest keeps babies safe and warm. It is a special home for birds. Do you like to build things?
Early Reader · Change the reading level on the articleBird vocalization
Birds make many sounds. Some sounds are long songs. These songs are pretty to hear. Other sounds are short calls. Calls help birds talk to friends. They also warn about danger. Can you hear the birds?
Early Reader · Change the reading level on the articleBird wing
Birds have wings to fly. They use feathers to move in the air. Some birds use wings to swim. Wings help birds find food. They are very cool! Do you like to watch birds fly?
Early Reader · Change the reading level on the articleBirdwing
Birdwings are very big butterflies. They fly like birds. They have bright colors. Some are green or yellow. They live in warm forests. You can see them in the sun. Do you like bright colors?
Early Reader · Change the reading level on the articleBirman
The Birman is a pretty cat. It has long, soft fur. This cat has bright blue eyes. It even has white paws that look like gloves! These cats are very special. Do you like cats?
Early Reader · Change the reading level on the articleBirth defect
Some babies are born with changes. These changes can be in the body. Some parts might look or work differently. Doctors help these children. They use medicine or special tools. We can help everyone. Do you want to…
Early Reader · Change the reading level on the articleBiruté Galdikas
Biruté loved big forests. She went to a far place to study orangutans. She helped many baby orangutans. Her work helps keep them safe. We can learn from her. Do you like orangutans?
Early Reader · Change the reading level on the articleBittern
A bittern is a bird. It lives in wet grass. It eats fish and bugs. It hides well in the reeds. You might not see it. Can you find one?
Early Reader · Change the reading level on the articleBitter orange
This is a bitter orange tree. Its fruit can taste sour. People use it to make jam. It also makes a nice smell. The trees can live a long time. Do you like orange jam?
Early Reader · Change the reading level on the articleBitter taste evolution
Some things taste bitter. This helps us stay safe. It tells us if food is bad. Many animals have this gift. It helps them not eat bad plants. Can you taste something bitter?
Early Reader · Change the reading level on the articleB. J. Palmer
B. J. Palmer was a doctor. He helped people stay well. He also used the radio to talk. He even helped a future president get a job. He traveled far away to see the world. Do you like to travel too?
Early Reader · Change the reading level on the articleBlack-and-white colobus
These monkeys live in Africa. They have black and white fur. Babies are all white. They eat leaves and fruit. This helps new trees grow. They live in big groups. Do you like monkeys?
Early Reader · Change the reading level on the articleBlack-backed jackal
This is a jackal. It lives in Africa. It has a black back. It eats many things like bugs and fruit. It stays with its family. Can you find the black part?
Early Reader · Change the reading level on the articleBlackbuck
The blackbuck is a fast animal. It lives in grassy fields. The males have long, curly horns. They have dark fur and white bellies. This animal eats grass. Do you like to run fast too?
Early Reader · Change the reading level on the articleBlack bullhead
The black bullhead is a fish. It lives in dark, muddy water. It has black whiskers near its mouth. It eats many things like bugs. This fish can live in warm water. Do you like to look at fish?
Early Reader · Change the reading level on the articleBlack caiman
The black caiman is a big reptile. It lives in South America. It has dark skin. This helps it hide in the water. It can be very large. It is a strong hunter. Do you like big animals?
Early Reader · Change the reading level on the articleBlack-eyed pea
The black-eyed pea is a bean. It has a small dark spot. This spot looks like an eye. People eat these beans for food. They help us stay strong. Do you like to eat beans?
Early Reader · Change the reading level on the articleBlack ghost knifefish
This fish is black. It has white rings. It lives in warm water. It can make its own tiny sparks. This helps it find food in the dark. It is very good at swimming. Do you like fish?
Early Reader · Change the reading level on the articleBlack-headed gull
This is a small bird called a gull. It has a dark head in summer. It lives near water. The bird can eat many things. It is very loud too! Do you like birds?
Early Reader · Change the reading level on the articleBlack Iberian pig
These pigs live in Spain and Portugal. They love to eat acorns from trees. This makes their meat taste very good. They help keep the forests healthy. It is a special way to live. Do you like to eat acorns?
Early Reader · Change the reading level on the articleBlack mamba
The black mamba is a long snake. It lives in Africa. It can live in trees or on the ground. The snake has a black mouth. It shows its mouth when it is scared. It eats small birds and animals. Do you like snakes?
Early Reader · Change the reading level on the articleBlack rat
The black rat is a small animal. It has a very long tail. It can climb up high trees. It likes to eat many foods. It can live near people. Do you see any rats?
Early Reader · Change the reading level on the articleBlack rhinoceros
The black rhino lives in Africa. It can be grey or brown. It has two horns on its head. These horns help it dig for food. It uses its lip to grab leaves. Do you like rhinos?
Early Reader · Change the reading level on the articleBlack seadevil
This fish lives in the deep sea. It has very dark skin. It uses a glowing light to find food. The light looks like a tiny lamp. This helps it hunt in the dark. Do you think it is spooky?
Early Reader · Change the reading level on the articleBlack stork
The black stork is a big bird. It has black feathers and white parts. It has long red legs and a red beak. It likes to live near water. It eats small fish and bugs. Can you see its long neck?
Early Reader · Change the reading level on the articleBlack swallower
The black swallower is a small fish. It lives in the deep sea. This fish has a very big mouth. It can eat fish that are much larger than itself. It is a very cool fish to see. Do you like big fish?
Early Reader · Change the reading level on the articleBlack swan
The black swan is a big bird. It has black feathers. Its beak is bright red. It lives near water in Australia. Both mom and dad help the babies. Do you like birds?
Early Reader · Change the reading level on the articleBlastocladiomycota
Some tiny things are like fungi. They live in wet places. Some live on plants. They can even live on bugs. They help the world work. Do you like to look at plants?
Early Reader · Change the reading level on the articleBlastulation
Tiny life starts as a ball of cells. Soon, a little space grows inside. This space is full of water. It helps the cells grow. This is how a new animal begins. Can you imagine a tiny ball of cells?
Early Reader · Change the reading level on the articleBlattodea
Some bugs are in one big group. These are cockroaches and termites. Termites live in big homes with a king and queen. They work together to stay safe. Many of these bugs live in the wild. Do you like to look for bugs?
Early Reader · Change the reading level on the articleBlennioidei
Some small fish live in the sea. They like to hide in rocks. They can even hide in shells. These fish stay near the bottom. They are fun to see! Do you like fish?
Early Reader · Change the reading level on the articleBlesmol
Blesmols are small animals. They live under the dirt. They use strong teeth to dig. They eat roots for food. It is fun to learn about them. Do you like to dig in dirt?
Early Reader · Change the reading level on the articleBlister agent
Some things can hurt your skin. They make big, wet bumps. These bumps can feel very sore. They can hurt your eyes too. Doctors help people feel better. Do you see the bumps?
Early Reader · Change the reading level on the articleBlister beetle
This is a blister beetle. It has a special liquid. This liquid can hurt your skin. It helps the beetle stay safe. Do not touch them! Can you spot one?
Early Reader · Change the reading level on the articleBlood agent
Some gases can hurt our bodies. They go into our blood. These gases stop our cells from getting air. This can make us very sick. It is important to stay safe. Do you know how to stay safe?
Early Reader · Change the reading level on the articleBlood–brain barrier
Your brain has a special wall. It keeps your brain safe. It lets good food in. It keeps bad things out. This helps your brain work well. It is a very smart wall. Do you wonder how it works?
Early Reader · Change the reading level on the articleBlood cell
Tiny parts live in your blood. Some parts carry air to you. Some parts help you stay well. Other parts help stop bleeding. They all work to keep you healthy. Can you feel your heart beat?
Early Reader · Change the reading level on the articleBlood culture
Doctors can check your blood. They look for tiny germs. These germs can make you sick. The test helps doctors find the right medicine. It helps you feel better soon. Do you want to learn more?
Early Reader · Change the reading level on the articleBlood donation
People can give blood to help others. This blood goes to a blood bank. It helps sick people feel better. Giving blood is a kind thing to do. It is a way to help your friends. Would you like to help?
Early Reader · Change the reading level on the article