Climate patterns linked in Amazon, North and South America Researchers used newly developed tree-ring chronology from the Amazon River basin More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301438&WT.mc_id=USNSF_1 This is a Research News item.

Researchers use satellite imaging to map groundwater use in California's Central Valley Data reveal variability in intensity of groundwater use for different crops More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301439&WT.mc_id=USNSF_1 This is a Research News item.

Without oxygen, Earth's early microbes relied on arsenic to sustain life Clues found in microbial mats in Laguna La Brava in the Atacama Desert in Chile More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301424&WT.mc_id=USNSF_1 This is a Research News item.

Body size of the extinct megalodon shark is off the charts Megatooth shark was anomalously large compared to body sizes of its relatives More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301426&WT.mc_id=USNSF_1 This is a Research News item.

Wildfires are changing forest communities in interior Alaska New patterns of post-fire recovery are emerging More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301422&WT.mc_id=USNSF_1 This is a Research News item.

Study shows coastal flooding will disproportionately impact river delta populations 31 million people living in river deltas are at high risk of flooding More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301423&WT.mc_id=USNSF_1 This is a Research News item.

High-throughput screening identifies molecules that reduce cellular stress Technique examines hundreds of compounds to find drugs that improve health and lengthen life More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301390&WT.mc_id=USNSF_1 This is a Research News item.

'Like a fishing net,' nanonet collapses to trap drug molecules Novel method presents possibilities for rapidly making and testing vaccine formulations More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301391&WT.mc_id=USNSF_1 This is a Research News item.