World of Biology

Ouch - Body Defense and Repair

Written by: Kimberly Repp

Ouch! You just got a paper cut on your finger. What happens now? Besides the sting you are feeling from the cut, there are germs on that paper that are preparing to invade your body. For your immune system, this means war.
Also in: Türk

Perfect Python Parenting

Written by: Zachary Stahlschmidt

Being a parent is hard work. Though a snake might not seem comforting to you, pythons are actually very dedicated moms that take good care of their kids.
Also in: Español

Phosphate Fix

Written by: Joshua Haussler, Karla Moeller

You may know that plants need air, water, and sunlight to survive. But they also need a special molecule called phosphate. Learn more about phosphate, plants, and why genetic modification may be able to fix some of our plant problems.
Also in: Español

Pollen - Nature's Tiny Clues

Written by: Vaughn Bryant and Gretchen Jones

Most might be surprised that pollen is being used to catch thieves, illegal drug dealers, murders, terrorists, and even catching those who commit less visible crimes such as making and selling fake prescription drugs.
Also in: Türk | தமிழ்

Revealing the Rainforest

Written by: Karla Moeller

The rainforest is the wettest biome on Earth and is home to half of all species.
Also in: Français | Español | Italiano | Português

Rising Cicadas

Written by: Tyler Quigley

Every so often, cicadas rise up from their quiet underground burrows to “sing” their best ballads. Aside from their sound, what do you know about the patient, musical lifestyle of these insects?

Sea Urchins Do Research

Written by: CJ Kazilek

No, urchins are not indigenous to the desert. The usual home for Strongylocentrotus purpuratus is the ocean's rocky floor for grazing along the intertidal and subtidal areas.
Also in: Français | Español

Searching for Alien Life

Written by: Finlay Warsop Thomas

Is there life on other planets? Let’s take a look at how scientists are trying to solve this mystery.

Searching the Savanna

Written by: Melinda Weaver

To a new visitor, the savanna may look just like a grassland with a few trees. But if you spend some time in the savanna, you learn it is quite different from other biomes.

Also in: Français | Español | Italiano | Deutsch