African Forests: From Carbon Sink to Carbon Source
A significant transformation has occurred within African forests: after 2010, they shifted from acting as carbon sinks, absorbing greenhouse gases, to becoming carbon emitters. This alarming change is attributed to extensive deforestation in tropical areas, resulting in substantial loss of biomass that far exceeds any compensatory growth in other regions. Consequently, this development presents a serious impediment to international endeavors aimed at curbing climate change. Scientific experts are emphasizing the critical and immediate need for forest protection.
In English:
Africa's forests have undergone a shocking reversal, switching from carbon absorbers to carbon emitters after 2010. Researchers found that heavy deforestation in tropical regions has led to massive biomass losses, far outweighing any gains from regrowth elsewhere. This change could seriously undermine global efforts to slow climate change. Scientists warn that protecting forests is now more urgent than ever.
Fresh materials — Science news
Vitamin C Linked to Improved Survival in Pre-Cancerous Blood Disorders
Vitamin C supports immune function, wound healing, and cellular protection. Individuals with pre-cancerous blood disorders and blood cancers often have low vitamin C levels. Researchers explored whether correcting this deficiency could improve their health and treatment outcomes. Finding
Solar Storm Delayed Train: Historical Space Weather Record Corrected
A train delay from nearly 180 years ago has led scientists to correct a misunderstanding about the history of space weather. An international research team has solved a 178-year-old mystery concerning one of the earliest documented instances of solar activity affecting electrical techn
Hurricane Forecast Maps Improve Clarity, But Understanding Remains a Challenge
Updated hurricane forecast maps now make it easier to pinpoint storm-threatened zones. However, new research highlights a significant issue: even when people can identify areas under hurricane watches, they might not perceive an increased risk or feel motivated to take protective actions.
Scientists Reverse 60 Years of Cellular Aging in Human Cells
German researchers have found a method to significantly reverse the molecular age of human cells. They transformed blood cells from an 80-year-old into stem cells that appeared less than 20 years old at a molecular level. At the University Hospital of Bonn and the University o
Ultra-Processed Foods and Colorectal Cancer Risk: A Massive Study
A major study involving over 460,000 Americans challenges the view that all ultra-processed foods (UPFs) equally increase colorectal cancer (CRC) risk. Researchers found no overall link between higher UPF consumption and increased CRC rates. However, the study did identify a nuanced re
Excess RNA Starves Cells of Energy, New Study Reveals
Scientists have discovered that a high concentration of RNA within cells can harm the structures responsible for energy production, potentially impairing cellular operations. Research from the Texas A&M College of Veterinary Medicine and Biomedical Sciences (VMBS)