The trigger for why leaves change color in the fall is day length, or more exactly the length of nights.
If an athlete allows sufficient recovery after suffering a concussion and before returning to play, the damage done to the brain is likely entirely reversible.
A long time ago, plant researchers found out that you can get plants to grow perfectly fine without soil if you provide water and mineral nutrition.
Cedar-apple rust is one of several plant diseases that are all caused by different species of a fungus called gymnosporangium.
Gravity is pretty much everywhere. We just feel it in different ways depending on our state of motion.
Fireworks’ colors come from salt. Different salts produce different colors.
In regard to collecting energy from a source in space, the natural answer is the sun.
Scientists are working to make the biofuel process more efficient and thus reduce carbon dioxide emissions and mitigate climate change.
There are more than 3,400 snake species worldwide, and they exist on every continent except Antarctica.
Whether an object floats or sinks in water is determined by the ratio of its weight compared to its volume.
Caterpillars start out as tiny creatures. Eventually the caterpillar will be ready to transform into a butterfly or moth in a process called metamorphosis.
Not all mosquitos can transmit the Zika virus, and that’s the case with any mosquito-borne pathogen.
Some species are simply more rare than others and don’t occur in very large numbers. But usually there is some factor that has driven a population to even greater rarity.
There’s not a simple rule in identifying edible mushrooms. You need to know the mushroom that you’re holding and give it a name, and then you can understand if it’s edible or not.
Not all plants produce nectar, only plants that are visited by animal-type pollinators.