PBS

Stranger Than Fiction Preview

Henry Louis Gates, Jr. reveals inspiring ancestors of novelist Amy Tan & poet Rita Dove. Henry Louis Gates, Jr. maps the roots of two award-winning writers: novelist Amy Tan and poet Rita Dove, ...

How root growth is stimulated by nitrate: Researchers decipher signaling chain

When 200 natural accessions of the model plant Arabidopsis thaliana grown in a nitrate-enriched medium were compared, one ...
IEEE

Comparative Study of Numerical Solutions to non-Linear Equations Using Regula-Falsi and Newton-Raphson Method

Abstract: This study aimed at comparing the rate of convergence and performance of Newton-Raphson and Regula-Falsi method for solving the nonlinear equations. To solve nonlinear equations, two ...
PBS

Hasan Minhaj Learns of His Royal Roots

Hasan discovers the possibility that he may have royal roots in Northern India. Henry Louis Gates, Jr. maps the roots of actor Lizzy Caplan and comedian Hasan Minhaj moving from shtetls in Eastern ...
IEEE

Enhancing ACPF Analysis: Integrating Newton-Raphson Method With Gradient Descent and Computational Graphs

Abstract: This paper presents a new method for enhancing Alternating Current Power Flow (ACPF) analysis. The method integrates the Newton-Raphson (NR) method with Enhanced-Gradient Descent (GD) and ...
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Surprising historical roots of phrases you use without thinking

Inside an AI start-up’s plan to scan and dispose of millions of books Gold and silver’s $7 trillion wipeout delivers a painful lesson about risk Early results show Taylor Rehmet leading Leigh ...
Carnegie Institution for Science

Plant roots use a patterning mechanism to position lateral root branches toward available water

The architecture of the branched root system of plants is a major determinant of vigor. Water availability is known to impact root physiology and growth; however, the spatial scale at which this ...