Author's articles

How to distinguish metal from non-metal?
By Lusi Swer · 4 months ago
Each simple substance, according to its physical properties, is divided into metals and non-metals. How to distinguish metals from non-metals? Some of them are easily identifiable visually: hydrogen is a non-metal, and iron is a ...
New biotechnologies in crop production
By Lusi Swer · 4 months ago
Numerous unfavorable factors negatively affect crop yields, which makes one wonder what is the contribution of biotechnology to increasing the efficiency of crop production at the present time? After all, delicate cultivated plants often suffer ...