Biology News
Metabolic signaling directs the reciprocal lineage decisions of αβ and γδ T cells - Science

Cell differentiation is often accompanied by metabolic changes. Yang et al. report that generation of double-positive (DP) thymocytes from double-negative (DN) cells coincides with dynamic regulation of glycolytic and oxidative metabolism. Given the ...
Science Daily

See Ariana Grande's Entire Beauty Evolution – from Dark Brown Curls to a Platinum Ponytail -
What do high ponytails, half-up hairstyles and black winged eyeliner have in common? They're the signatures that Ariana Grande almost never leaves the house without. But she didn't always have these go-tos. Here's a guide to the recently-engaged star's ...

Illustrated Flora and Fauna Field Guide Offers a Creative Way to Connect With Nature - My Modern Met

My Modern Met
On top of these fun activities, How to be a Wildflower will charm you with Daisy's flora-and-fauna paintings and typography. Done by hand, these illustrative elements add a personal touch to the text and creatively “capture the magic and beauty of a ...

Reader's Guide to The Double Helix

Providence - United States

Commentary and explanation to accompany the book by James Watson.

New Zealand

Chime-dependent tutorial which permits image manipulation to help understand the 3-dimensional form of the structure, from John Tweedie and Massey University, New Zealand.

Double helix: 50 years of DNA
United States

Articles, photos, and interviews from the journal "Nature" presented in celebration of the 50th anniversary of the description of the structure of DNA.


Photograph, classification, diagnostic features, habitat and distribution of common ivy.

Double-legged Cylinders
United States

Article by William Amos on millipedes, their many legs and their reproductive lives.

Double-Crested Cormorants: Phalacrocorax auritus
United States

US Fish and Wildlife Service discussion of conservation issues and concerns in North America. Includes recommended management action. [PDF]

United States

Includes distribution, diet, and reproductive information.

The HeliX group
United Kingdom

Introduction to the X-ray crystallographic work on nucleic acid and protein structure. Includes poster presentations, publications list and profiles of staff in the Cardin laboratory, University of Reading, England.

Hedera helix
United Kingdom

Information and photographs of the leaves and flowers of Ivy.

United Kingdom

Information on Ivy, its physical characteristics, habitat, medicinal and other uses, and its cultivation.

Helix Bioinformatics Group
United States

This is a research group within the Stanford Medical Informatics laboratory directed by Russ Altman, MD, PhD. We focus on the application of computational techniques to problems in molecular biology. We are particularly interested in (1) knowledge-based systems for supporting scientific computation (2) the representation and manipulation of structural uncertainty, (3) and the development of novel representations of structure that are useful for c