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Astonishing Biology Facts

The science of life holds endless surprises. Discover the most incredible facts about cells, genes, evolution and the human body.

253 facts and counting

How Do Cell Membranes Communicate with the Interior?

cell signalingreceptorg protein-coupled receptor

What Makes the Cell Membrane Asymmetric?

membrane asymmetryphosphatidylserineflippase

How Do Plant Cell Membranes Differ from Animal?

plant cell membranesitosterolsterol

Why Do Immune Cells Have Flexible Membranes?

immune cellphagocytosiscell membrane

How Do Cell Membranes Regulate Water Transport?

aquaporincell membranewater transport

Can Cell Membranes Self-Repair?

membrane repaircell membraneescrt

What Are Lipid Rafts in Cell Membranes?

lipid raftcell membranesphingolipid

How Do Cell Membranes Enable Nerve Impulses?

ion channelcell membranenerve impulse

Why Do Cell Membranes Contain Cholesterol?

cholesterolcell membranefluidity

Are All Cell Membranes Impermeable to Ions?

cell membraneion permeabilityion channel

Can Viruses Exploit the Cell Membrane to Enter Cells?

virus entrycell membraneviral envelope

What Is the Significance of the Lipid Bilayer's Thickness?

lipid bilayercell membrane thicknessmembrane protein

How Do Cells Use Membrane Rafts for Cell Signaling?

membrane raftcell signalingsphingolipid

Why Do Human Red Blood Cells Lack a Nucleus but Have a Cell Membrane?

red blood cellcell membraneenucleation

Did the Discovery of the Cell Membrane Occur Before the Discovery of Cells?

cell membrane historyrobert hookeplasmolysis

Can Some Antibiotics Target Bacterial Cell Membranes Specifically?

antibioticbacterial cell membranepolymyxin

What Is the Role of Glycoproteins in Cell Recognition?

glycoproteincell membranecell recognition

How Do Cholesterol Molecules Regulate Membrane Fluidity?

cholesterolcell membranemembrane fluidity

Why Is the Cell Membrane Called a Fluid Mosaic?

cell membranefluid mosaic modelsinger-nicolson

Why Do Cell Membranes Have Lipid Rafts?

lipid raftscell membranecholesterol

How Do Cell Membranes Adjust to Temperature Changes?

cell membranemembrane fluidityhomeoviscous adaptation

Did You Know That Cell Membranes Can Form Tunnels Between Cells?

tunneling nanotubesintercellular communicationmembrane bridges

Can Cell Membranes Repair Themselves After Damage?

membrane repairdysferlincalcium

What Are Lipid Rafts and Why Are They Important?

lipid raftssignalingsphingolipids

How Does Cholesterol Maintain Membrane Fluidity?

cholesterolmembrane fluidityhomeostasis

Why Do Cell Membranes Have a Double Layer?

phospholipid bilayerselective permeabilitymembrane fluidity

Why Do Fireflies Glow?

firefliesbioluminescence

What Causes a Blue Whale's Heart to Beat So Slowly?

blue whaleheart rate

How Do Tardigrades Survive in Outer Space?

tardigradesextremophiles

Why Do Venus Flytraps Snap Shut?

venus flytrapcarnivorous plants

How Do Tardigrades Survive Extreme Conditions Like Outer Space?

tardigradesextremophiles

Why Do Mantis Shrimp Have the Most Complex Eyes in the Animal Kingdom?

mantis shrimpeyes

How Do Fireflies Produce Light?

firefliesbioluminescence

Why Do Tardigrades Survive Extreme Conditions?

tardigradesmicrobiology

How Does Your Stomach Avoid Digesting Itself?

stomachdigestion

Why Can a Cockroach Survive Without Its Head?

cockroachinsects

Why Do Football Players Spit So Much?

sportsbiology

Do All Mammals Get Goosebumps?

goosebumpsmammals

Why Does Your Own Voice Sound Different to You?

voicesound

Can Your Body Brew Its Own Alcohol?

healthbiology

Are There More Bacterial Cells Than Human Cells?

bacteriahuman body

Can Some Animals Photosynthesize Like Plants?

photosynthesisanimals

Why Do Mosquito Bites Itch?

mosquitoinsects

Can a Worm Regenerate When Cut?

wormsregeneration

Do You Lose Most Heat Through Your Head?

heat lossmyth

Why Do Cuttlefish Have Blue Blood?

cuttlefishblue blood

How Does Temperature Affect Sex In Reptiles?

reptilestemperature

How Far Would All Earth's Bacteria Stretch If Stacked Up?

bacteriamicrobes

How Much Would the Raw Ingredients of a Human Body Cost?

human bodychemistry

Why Do Smaller Animals Experience Time More Slowly?

time perceptionanimals