and the Indian woman has her needle, which is smooth, and not liable to rust; her thread to sew her coarse dress made from petal flax (a textile fabric of this plant), prepared in the crudest ...

Preparing plants for winter – mulching with pine needles Mulching with pine needles offers numerous benefits. Primarily, it safeguards the soil from frost, stabilises its temperature, and ...

The biohydrogel-enabled microneedle sensor can “achieve direct measurements in under a minute for less than a dollar per test ...

The hydrogel contains graphene oxide, which enhances the needles’ ability to grab fluids from the plant leaves, and the natural polymer chitosan, which mitigates the graphene oxide’s toxicity ...

Then, evenly spread a layer of pine needles at a distance of about 4 inches from the plant's trunk. It's important to lay the mulch just before the first frosts, as this will help retain the heat ...