Guides
How to Write a Figure Legend: What Nine Publishers Actually Require
Nature caps a figure legend at 300 words; PNAS wants N in it; APA means something else by the word. What nine publishers require, with a worked example.
Blog
Product updates, guides, and engineering notes from the team.
Guides
Box Plot Examples: How to Read One, and Why Two Programs Draw the Same Data Differently
A box spans Q1 to Q3 and Tukey whiskers reach 1.5 × IQR — but R, Excel and SPSS disagree on Q1. Worked examples, and the legend journals require.
Guides
The 96-Well Plate Format: Dimensions, Volumes and Layout, Traced to the ANSI/SLAS Standard
A 96-well plate measures 127.76 × 85.48 mm with wells on a 9 mm pitch. Every dimension ANSI/SLAS fixes, and the four it leaves to the manufacturer.
Journals
Science Advances Impact Factor: 13.9 — Acceptance Rate, APC and Every Figure Rule
Science Advances has a 2-year impact factor of 13.9 (AAAS, June 2026). One page compiles the 8.8% acceptance rate, the $5,450 APC and every figure rule.
Journals
Nature Communications Impact Factor: 18.1 (2025 JCR) — Fees, Speed and Every Figure Rule
Nature Communications’ 2025 impact factor is 18.1 (5-year JIF 18.9). See the $7,350 APC, 242-day median to acceptance and every figure rule in one place.
Guides
Cellular Respiration Diagram: Where Each Stage Happens, How Much ATP to Label, and Why 38 Is the Wrong Number
A cellular respiration diagram shows the three stages in the compartments where they run, with about 30 ATP, not 38. Here is where both totals come from.
Guides
Plant Cell Diagram: Every Labelled Part, What It Does, and Which Ones Only Plants Have
A labelled plant cell diagram with what every part does, plus the four structures animal cells lack: wall, plastids, central vacuole, plasmodesmata.
Guides
Animal Cell Diagram: Every Labelled Part, How Much Space Each One Really Takes, and What Plants Do Not Have
A labelled animal cell diagram drawn to measured volumes — mitochondria fill 22% of a liver cell, the nucleus only 6%. Printable blank version included.
Guides
How to Read a Phylogenetic Tree: Branch Lengths, Support Values, Rooting, and How One Gets Built
Read a phylogenetic tree from the root outward, following the nesting rather than the tip order. Then decode the scale bar, the node numbers and the root.
Guides
Cladogram vs Phylogenetic Tree: Nodes, Clades, Outgroups, and What Branch Length Does Not Mean
A cladogram shows branching order and nothing else; branch length carries no information. Learn to read nodes, clades and outgroups step by step.
Guides
How to Read a Circuit Diagram: Symbols, Designators, and the Two Standards That Disagree
To read a circuit diagram, start at the source and trace each symbol until you return to it. This guide decodes symbols, R1 designators and both standards.
Tutorials
How to Make a CONSORT 2025 Flow Diagram: Every Box, Every Count, and What Changed from 2010
The CONSORT flow diagram changed in April 2025, when CONSORT 2025 replaced the 2010 version. Every box, its counts, and the three labels that moved.
