We will send you the sunlight, flowers, and river scenery that we have collected over the past year. I am sending you the longing for my smiles and laughter that I have been saving and cherishing without hesitation. Decorate your Christmas happily with this...

When plants are attacked by life-threatening pathogens, they send a signal to their roots to ask for help.It is said that the roots of plants respond to the rescue request by secreting substances that can block germs when they receive signals from the leaves and...