Introduction A well-known textbook by Samuelson and Nordhaus (2010, p. 4) states that economics is “the study of how societies use scarce resources to produce valuable goods and services and…

Introduction Climate change is one of the greatest threats to global carbon cycle. Over the past three decades, climate change caused by permafrost degradation has greatly affected soil organic carbon…

Eger M, Liron T, Hiram-Bab S, Awida Z, Giladi E, Dangoor D, Fridkin M, Kohavi D, Gozes I, Gabet Y. Therapeutic potential of vasoactive intestinal peptide and its derivative stearyl-norleucine-vip…

Study area The study was conducted in Asgede Tsimbla district, the northwestern part of Tigray regional state in Ethiopia. The district is situated between 900 and 1800 m above sea level…

Introduction Belowground carbon (C) allocation by plants is an important driver for plant nutrient acquisition. In a global synthesis, Pausch and Kuzyakov (2018) reported that grassland species allocated on an…

1 Introduction In the past 40 decades, China’s reform and opening-up level of high-speed development have made it leap to the second-largest energy economy in the world, while industries and enterprises…

1 Introduction Solar radiation is the main source of energy exchange on the Earth’s surface and an important factor affecting the productivity of ecosystems. Among them, wavelengths between 400–700 nm are…

GRAPHICAL ABSTRACT Introduction Between 1981 and 2019, approximately 50% of 1,881 new drugs approved worldwide were produced using or inspired by natural products or derivatives (Newman and Cragg, 2020). In…

1 Introduction As the world’s second largest economy and largest energy consumer, China is the world’s largest carbon emitter. At the seventy-fifth Session of the United Nations General Assembly in…

Design of experiments: key parameters optimization The key parameters, including solvent composition, extraction pressure, and extraction temperature, affect the physicochemical properties of the extractant and thus extraction yield in both,…