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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
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What Makes the Cell Membrane Asymmetric?

membrane asymmetryphosphatidylserineflippase
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How Do Plant Cell Membranes Differ from Animal?

plant cell membranesitosterolsterol
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Why Do Immune Cells Have Flexible Membranes?

immune cellphagocytosiscell membrane
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How Do Cell Membranes Regulate Water Transport?

aquaporincell membranewater transport
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Can Cell Membranes Self-Repair?

membrane repaircell membraneescrt
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What Are Lipid Rafts in Cell Membranes?

lipid raftcell membranesphingolipid
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How Do Cell Membranes Enable Nerve Impulses?

ion channelcell membranenerve impulse
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Why Do Cell Membranes Contain Cholesterol?

cholesterolcell membranefluidity
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Are All Cell Membranes Impermeable to Ions?

cell membraneion permeabilityion channel
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Can Viruses Exploit the Cell Membrane to Enter Cells?

virus entrycell membraneviral envelope
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What Is the Significance of the Lipid Bilayer's Thickness?

lipid bilayercell membrane thicknessmembrane protein
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How Do Cells Use Membrane Rafts for Cell Signaling?

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

red blood cellcell membraneenucleation
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Did the Discovery of the Cell Membrane Occur Before the Discovery of Cells?

cell membrane historyrobert hookeplasmolysis
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Can Some Antibiotics Target Bacterial Cell Membranes Specifically?

antibioticbacterial cell membranepolymyxin
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What Is the Role of Glycoproteins in Cell Recognition?

glycoproteincell membranecell recognition
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How Do Cholesterol Molecules Regulate Membrane Fluidity?

cholesterolcell membranemembrane fluidity
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Why Is the Cell Membrane Called a Fluid Mosaic?

cell membranefluid mosaic modelsinger-nicolson
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Why Do Cell Membranes Have Lipid Rafts?

lipid raftscell membranecholesterol
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How Do Cell Membranes Adjust to Temperature Changes?

cell membranemembrane fluidityhomeoviscous adaptation
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Did You Know That Cell Membranes Can Form Tunnels Between Cells?

tunneling nanotubesintercellular communicationmembrane bridges
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Can Cell Membranes Repair Themselves After Damage?

membrane repairdysferlincalcium
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What Are Lipid Rafts and Why Are They Important?

lipid raftssignalingsphingolipids
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How Does Cholesterol Maintain Membrane Fluidity?

cholesterolmembrane fluidityhomeostasis
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Why Do Cell Membranes Have a Double Layer?

phospholipid bilayerselective permeabilitymembrane fluidity
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Why Do Fireflies Glow?

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

blue whaleheart rate
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How Do Tardigrades Survive in Outer Space?

tardigradesextremophiles
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Why Do Venus Flytraps Snap Shut?

venus flytrapcarnivorous plants
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How Do Tardigrades Survive Extreme Conditions Like Outer Space?

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

mantis shrimpeyes
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How Do Fireflies Produce Light?

firefliesbioluminescence
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Why Do Tardigrades Survive Extreme Conditions?

tardigradesmicrobiology
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How Does Your Stomach Avoid Digesting Itself?

stomachdigestion
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Why Can a Cockroach Survive Without Its Head?

cockroachinsects
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Why Do Football Players Spit So Much?

sportsbiology
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Do All Mammals Get Goosebumps?

goosebumpsmammals
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Why Does Your Own Voice Sound Different to You?

voicesound
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Can Your Body Brew Its Own Alcohol?

healthbiology
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Are There More Bacterial Cells Than Human Cells?

bacteriahuman body
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Can Some Animals Photosynthesize Like Plants?

photosynthesisanimals
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Why Do Mosquito Bites Itch?

mosquitoinsects
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Can a Worm Regenerate When Cut?

wormsregeneration
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Do You Lose Most Heat Through Your Head?

heat lossmyth
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Why Do Cuttlefish Have Blue Blood?

cuttlefishblue blood
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How Does Temperature Affect Sex In Reptiles?

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

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

human bodychemistry
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Why Do Smaller Animals Experience Time More Slowly?

time perceptionanimals
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